353490520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 892684800

約数和(自身を除く): 539194280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 82, 85, 124, 136, 155, 164, 170, 205, 248, 310, 328, 340, 409, 410, 527, 620, 680, 697, 818, 820, 1054, 1240, 1271, 1394, 1636, 1640, 2045, 2108, 2542, 2635, 2788, 3272, 3485, 4090, 4216, 5084, 5270, 5576, 6355, 6953, 6970, 8180, 10168, 10540, 12679, 12710, 13906, 13940, 16360, 16769, 21080, 21607, 25358, 25420, 27812, 27880, 33538, 34765, 43214, 50716, 50840, 55624, 63395, 67076, 69530, 83845, 86428, 101432, 108035, 126790, 134152, 139060, 167690, 172856, 215543, 216070, 253580, 278120, 285073, 335380, 431086, 432140, 507160, 519839, 570146, 670760, 862172, 864280, 1039678, 1077715, 1140292, 1425365, 1724344, 2079356, 2155430, 2280584, 2599195, 2850730, 4158712, 4310860, 5198390, 5701460, 8621720, 8837263, 10396780, 11402920, 17674526, 20793560, 35349052, 44186315, 70698104, 88372630, 176745260, 353490520]

約数ペア:

[(1, 353490520), (2, 176745260), (4, 88372630), (5, 70698104), (8, 44186315), (10, 35349052), (17, 20793560), (20, 17674526), (31, 11402920), (34, 10396780), (40, 8837263), (41, 8621720), (62, 5701460), (68, 5198390), (82, 4310860), (85, 4158712), (124, 2850730), (136, 2599195), (155, 2280584), (164, 2155430), (170, 2079356), (205, 1724344), (248, 1425365), (310, 1140292), (328, 1077715), (340, 1039678), (409, 864280), (410, 862172), (527, 670760), (620, 570146), (680, 519839), (697, 507160), (818, 432140), (820, 431086), (1054, 335380), (1240, 285073), (1271, 278120), (1394, 253580), (1636, 216070), (1640, 215543), (2045, 172856), (2108, 167690), (2542, 139060), (2635, 134152), (2788, 126790), (3272, 108035), (3485, 101432), (4090, 86428), (4216, 83845), (5084, 69530), (5270, 67076), (5576, 63395), (6355, 55624), (6953, 50840), (6970, 50716), (8180, 43214), (10168, 34765), (10540, 33538), (12679, 27880), (12710, 27812), (13906, 25420), (13940, 25358), (16360, 21607), (16769, 21080)]