404550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 1160640

約数和(自身を除く): 756090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 31, 45, 50, 58, 62, 75, 87, 90, 93, 145, 150, 155, 174, 186, 225, 261, 279, 290, 310, 435, 450, 465, 522, 558, 725, 775, 870, 899, 930, 1305, 1395, 1450, 1550, 1798, 2175, 2325, 2610, 2697, 2790, 4350, 4495, 4650, 5394, 6525, 6975, 8091, 8990, 13050, 13485, 13950, 16182, 22475, 26970, 40455, 44950, 67425, 80910, 134850, 202275, 404550]

約数ペア:

[(1, 404550), (2, 202275), (3, 134850), (5, 80910), (6, 67425), (9, 44950), (10, 40455), (15, 26970), (18, 22475), (25, 16182), (29, 13950), (30, 13485), (31, 13050), (45, 8990), (50, 8091), (58, 6975), (62, 6525), (75, 5394), (87, 4650), (90, 4495), (93, 4350), (145, 2790), (150, 2697), (155, 2610), (174, 2325), (186, 2175), (225, 1798), (261, 1550), (279, 1450), (290, 1395), (310, 1305), (435, 930), (450, 899), (465, 870), (522, 775), (558, 725)]