27931000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 72783360

約数和(自身を除く): 44852360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 53, 62, 68, 85, 100, 106, 124, 125, 136, 155, 170, 200, 212, 248, 250, 265, 310, 340, 424, 425, 500, 527, 530, 620, 680, 775, 850, 901, 1000, 1054, 1060, 1240, 1325, 1550, 1643, 1700, 1802, 2108, 2120, 2125, 2635, 2650, 3100, 3286, 3400, 3604, 3875, 4216, 4250, 4505, 5270, 5300, 6200, 6572, 6625, 7208, 7750, 8215, 8500, 9010, 10540, 10600, 13144, 13175, 13250, 15500, 16430, 17000, 18020, 21080, 22525, 26350, 26500, 27931, 31000, 32860, 36040, 41075, 45050, 52700, 53000, 55862, 65720, 65875, 82150, 90100, 105400, 111724, 112625, 131750, 139655, 164300, 180200, 205375, 223448, 225250, 263500, 279310, 328600, 410750, 450500, 527000, 558620, 698275, 821500, 901000, 1117240, 1396550, 1643000, 2793100, 3491375, 5586200, 6982750, 13965500, 27931000]

約数ペア:

[(1, 27931000), (2, 13965500), (4, 6982750), (5, 5586200), (8, 3491375), (10, 2793100), (17, 1643000), (20, 1396550), (25, 1117240), (31, 901000), (34, 821500), (40, 698275), (50, 558620), (53, 527000), (62, 450500), (68, 410750), (85, 328600), (100, 279310), (106, 263500), (124, 225250), (125, 223448), (136, 205375), (155, 180200), (170, 164300), (200, 139655), (212, 131750), (248, 112625), (250, 111724), (265, 105400), (310, 90100), (340, 82150), (424, 65875), (425, 65720), (500, 55862), (527, 53000), (530, 52700), (620, 45050), (680, 41075), (775, 36040), (850, 32860), (901, 31000), (1000, 27931), (1054, 26500), (1060, 26350), (1240, 22525), (1325, 21080), (1550, 18020), (1643, 17000), (1700, 16430), (1802, 15500), (2108, 13250), (2120, 13175), (2125, 13144), (2635, 10600), (2650, 10540), (3100, 9010), (3286, 8500), (3400, 8215), (3604, 7750), (3875, 7208), (4216, 6625), (4250, 6572), (4505, 6200), (5270, 5300)]