31294900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 88466560

約数和(自身を除く): 57171660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 130, 133, 140, 175, 181, 182, 190, 247, 260, 266, 325, 350, 362, 364, 380, 455, 475, 494, 532, 650, 665, 700, 724, 905, 910, 950, 988, 1235, 1267, 1300, 1330, 1729, 1810, 1820, 1900, 2275, 2353, 2470, 2534, 2660, 3325, 3439, 3458, 3620, 4525, 4550, 4706, 4940, 5068, 6175, 6335, 6650, 6878, 6916, 8645, 9050, 9100, 9412, 11765, 12350, 12670, 13300, 13756, 16471, 17195, 17290, 18100, 23530, 24073, 24700, 25340, 31675, 32942, 34390, 34580, 43225, 44707, 47060, 48146, 58825, 63350, 65884, 68780, 82355, 85975, 86450, 89414, 96292, 117650, 120365, 126700, 164710, 171950, 172900, 178828, 223535, 235300, 240730, 312949, 329420, 343900, 411775, 447070, 481460, 601825, 625898, 823550, 894140, 1117675, 1203650, 1251796, 1564745, 1647100, 2235350, 2407300, 3129490, 4470700, 6258980, 7823725, 15647450, 31294900]

約数ペア:

[(1, 31294900), (2, 15647450), (4, 7823725), (5, 6258980), (7, 4470700), (10, 3129490), (13, 2407300), (14, 2235350), (19, 1647100), (20, 1564745), (25, 1251796), (26, 1203650), (28, 1117675), (35, 894140), (38, 823550), (50, 625898), (52, 601825), (65, 481460), (70, 447070), (76, 411775), (91, 343900), (95, 329420), (100, 312949), (130, 240730), (133, 235300), (140, 223535), (175, 178828), (181, 172900), (182, 171950), (190, 164710), (247, 126700), (260, 120365), (266, 117650), (325, 96292), (350, 89414), (362, 86450), (364, 85975), (380, 82355), (455, 68780), (475, 65884), (494, 63350), (532, 58825), (650, 48146), (665, 47060), (700, 44707), (724, 43225), (905, 34580), (910, 34390), (950, 32942), (988, 31675), (1235, 25340), (1267, 24700), (1300, 24073), (1330, 23530), (1729, 18100), (1810, 17290), (1820, 17195), (1900, 16471), (2275, 13756), (2353, 13300), (2470, 12670), (2534, 12350), (2660, 11765), (3325, 9412), (3439, 9100), (3458, 9050), (3620, 8645), (4525, 6916), (4550, 6878), (4706, 6650), (4940, 6335), (5068, 6175)]