402900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 1249920

約数和(自身を除く): 847020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 79, 85, 100, 102, 150, 158, 170, 204, 237, 255, 300, 316, 340, 395, 425, 474, 510, 790, 850, 948, 1020, 1185, 1275, 1343, 1580, 1700, 1975, 2370, 2550, 2686, 3950, 4029, 4740, 5100, 5372, 5925, 6715, 7900, 8058, 11850, 13430, 16116, 20145, 23700, 26860, 33575, 40290, 67150, 80580, 100725, 134300, 201450, 402900]

約数ペア:

[(1, 402900), (2, 201450), (3, 134300), (4, 100725), (5, 80580), (6, 67150), (10, 40290), (12, 33575), (15, 26860), (17, 23700), (20, 20145), (25, 16116), (30, 13430), (34, 11850), (50, 8058), (51, 7900), (60, 6715), (68, 5925), (75, 5372), (79, 5100), (85, 4740), (100, 4029), (102, 3950), (150, 2686), (158, 2550), (170, 2370), (204, 1975), (237, 1700), (255, 1580), (300, 1343), (316, 1275), (340, 1185), (395, 1020), (425, 948), (474, 850), (510, 790)]