392100400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 985048064

約数和(自身を除く): 592947664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 103, 124, 155, 200, 206, 248, 307, 310, 400, 412, 496, 515, 614, 620, 775, 824, 1030, 1228, 1240, 1535, 1550, 1648, 2060, 2456, 2480, 2575, 3070, 3100, 3193, 4120, 4912, 5150, 6140, 6200, 6386, 7675, 8240, 9517, 10300, 12280, 12400, 12772, 15350, 15965, 19034, 20600, 24560, 25544, 30700, 31621, 31930, 38068, 41200, 47585, 51088, 61400, 63242, 63860, 76136, 79825, 95170, 122800, 126484, 127720, 152272, 158105, 159650, 190340, 237925, 252968, 255440, 316210, 319300, 380680, 475850, 505936, 632420, 638600, 761360, 790525, 951700, 980251, 1264840, 1277200, 1581050, 1903400, 1960502, 2529680, 3162100, 3806800, 3921004, 4901255, 6324200, 7842008, 9802510, 12648400, 15684016, 19605020, 24506275, 39210040, 49012550, 78420080, 98025100, 196050200, 392100400]

約数ペア:

[(1, 392100400), (2, 196050200), (4, 98025100), (5, 78420080), (8, 49012550), (10, 39210040), (16, 24506275), (20, 19605020), (25, 15684016), (31, 12648400), (40, 9802510), (50, 7842008), (62, 6324200), (80, 4901255), (100, 3921004), (103, 3806800), (124, 3162100), (155, 2529680), (200, 1960502), (206, 1903400), (248, 1581050), (307, 1277200), (310, 1264840), (400, 980251), (412, 951700), (496, 790525), (515, 761360), (614, 638600), (620, 632420), (775, 505936), (824, 475850), (1030, 380680), (1228, 319300), (1240, 316210), (1535, 255440), (1550, 252968), (1648, 237925), (2060, 190340), (2456, 159650), (2480, 158105), (2575, 152272), (3070, 127720), (3100, 126484), (3193, 122800), (4120, 95170), (4912, 79825), (5150, 76136), (6140, 63860), (6200, 63242), (6386, 61400), (7675, 51088), (8240, 47585), (9517, 41200), (10300, 38068), (12280, 31930), (12400, 31621), (12772, 30700), (15350, 25544), (15965, 24560), (19034, 20600)]