4321400

素因数分解:

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

素因数の和:105

約数の個数: 96

約数和(自身を含む): 11249280

約数和(自身を除く): 6927880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 41, 50, 62, 68, 82, 85, 100, 124, 136, 155, 164, 170, 200, 205, 248, 310, 328, 340, 410, 425, 527, 620, 680, 697, 775, 820, 850, 1025, 1054, 1240, 1271, 1394, 1550, 1640, 1700, 2050, 2108, 2542, 2635, 2788, 3100, 3400, 3485, 4100, 4216, 5084, 5270, 5576, 6200, 6355, 6970, 8200, 10168, 10540, 12710, 13175, 13940, 17425, 21080, 21607, 25420, 26350, 27880, 31775, 34850, 43214, 50840, 52700, 63550, 69700, 86428, 105400, 108035, 127100, 139400, 172856, 216070, 254200, 432140, 540175, 864280, 1080350, 2160700, 4321400]

約数ペア:

[(1, 4321400), (2, 2160700), (4, 1080350), (5, 864280), (8, 540175), (10, 432140), (17, 254200), (20, 216070), (25, 172856), (31, 139400), (34, 127100), (40, 108035), (41, 105400), (50, 86428), (62, 69700), (68, 63550), (82, 52700), (85, 50840), (100, 43214), (124, 34850), (136, 31775), (155, 27880), (164, 26350), (170, 25420), (200, 21607), (205, 21080), (248, 17425), (310, 13940), (328, 13175), (340, 12710), (410, 10540), (425, 10168), (527, 8200), (620, 6970), (680, 6355), (697, 6200), (775, 5576), (820, 5270), (850, 5084), (1025, 4216), (1054, 4100), (1240, 3485), (1271, 3400), (1394, 3100), (1550, 2788), (1640, 2635), (1700, 2542), (2050, 2108)]