204240400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 240

約数和(自身を含む): 626848768

約数和(自身を除く): 422608368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 130, 140, 155, 175, 181, 182, 200, 208, 217, 248, 260, 280, 310, 325, 350, 362, 364, 400, 403, 434, 455, 496, 520, 560, 620, 650, 700, 724, 728, 775, 806, 868, 905, 910, 1040, 1085, 1240, 1267, 1300, 1400, 1448, 1456, 1550, 1612, 1736, 1810, 1820, 2015, 2170, 2275, 2353, 2480, 2534, 2600, 2800, 2821, 2896, 3100, 3224, 3472, 3620, 3640, 4030, 4340, 4525, 4550, 4706, 5068, 5200, 5425, 5611, 5642, 6200, 6335, 6448, 7240, 7280, 8060, 8680, 9050, 9100, 9412, 10075, 10136, 10850, 11222, 11284, 11765, 12400, 12670, 14105, 14480, 16120, 16471, 17360, 18100, 18200, 18824, 20150, 20272, 21700, 22444, 22568, 23530, 25340, 28055, 28210, 31675, 32240, 32942, 36200, 36400, 37648, 39277, 40300, 43400, 44888, 45136, 47060, 50680, 56110, 56420, 58825, 63350, 65884, 70525, 72400, 72943, 78554, 80600, 82355, 86800, 89776, 94120, 101360, 112220, 112840, 117650, 126700, 131768, 140275, 141050, 145886, 157108, 161200, 164710, 188240, 196385, 224440, 225680, 235300, 253400, 263536, 280550, 282100, 291772, 314216, 329420, 364715, 392770, 411775, 448880, 470600, 506800, 510601, 561100, 564200, 583544, 628432, 658840, 729430, 785540, 823550, 941200, 981925, 1021202, 1122200, 1128400, 1167088, 1317680, 1458860, 1571080, 1647100, 1823575, 1963850, 2042404, 2244400, 2553005, 2917720, 3142160, 3294200, 3647150, 3927700, 4084808, 5106010, 5835440, 6588400, 7294300, 7855400, 8169616, 10212020, 12765025, 14588600, 15710800, 20424040, 25530050, 29177200, 40848080, 51060100, 102120200, 204240400]

約数ペア:

[(1, 204240400), (2, 102120200), (4, 51060100), (5, 40848080), (7, 29177200), (8, 25530050), (10, 20424040), (13, 15710800), (14, 14588600), (16, 12765025), (20, 10212020), (25, 8169616), (26, 7855400), (28, 7294300), (31, 6588400), (35, 5835440), (40, 5106010), (50, 4084808), (52, 3927700), (56, 3647150), (62, 3294200), (65, 3142160), (70, 2917720), (80, 2553005), (91, 2244400), (100, 2042404), (104, 1963850), (112, 1823575), (124, 1647100), (130, 1571080), (140, 1458860), (155, 1317680), (175, 1167088), (181, 1128400), (182, 1122200), (200, 1021202), (208, 981925), (217, 941200), (248, 823550), (260, 785540), (280, 729430), (310, 658840), (325, 628432), (350, 583544), (362, 564200), (364, 561100), (400, 510601), (403, 506800), (434, 470600), (455, 448880), (496, 411775), (520, 392770), (560, 364715), (620, 329420), (650, 314216), (700, 291772), (724, 282100), (728, 280550), (775, 263536), (806, 253400), (868, 235300), (905, 225680), (910, 224440), (1040, 196385), (1085, 188240), (1240, 164710), (1267, 161200), (1300, 157108), (1400, 145886), (1448, 141050), (1456, 140275), (1550, 131768), (1612, 126700), (1736, 117650), (1810, 112840), (1820, 112220), (2015, 101360), (2170, 94120), (2275, 89776), (2353, 86800), (2480, 82355), (2534, 80600), (2600, 78554), (2800, 72943), (2821, 72400), (2896, 70525), (3100, 65884), (3224, 63350), (3472, 58825), (3620, 56420), (3640, 56110), (4030, 50680), (4340, 47060), (4525, 45136), (4550, 44888), (4706, 43400), (5068, 40300), (5200, 39277), (5425, 37648), (5611, 36400), (5642, 36200), (6200, 32942), (6335, 32240), (6448, 31675), (7240, 28210), (7280, 28055), (8060, 25340), (8680, 23530), (9050, 22568), (9100, 22444), (9412, 21700), (10075, 20272), (10136, 20150), (10850, 18824), (11222, 18200), (11284, 18100), (11765, 17360), (12400, 16471), (12670, 16120), (14105, 14480)]