78367400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 196862400

約数和(自身を除く): 118495000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 152, 164, 190, 200, 205, 328, 380, 410, 475, 503, 760, 779, 820, 950, 1006, 1025, 1558, 1640, 1900, 2012, 2050, 2515, 3116, 3800, 3895, 4024, 4100, 5030, 6232, 7790, 8200, 9557, 10060, 12575, 15580, 19114, 19475, 20120, 20623, 25150, 31160, 38228, 38950, 41246, 47785, 50300, 76456, 77900, 82492, 95570, 100600, 103115, 155800, 164984, 191140, 206230, 238925, 382280, 391837, 412460, 477850, 515575, 783674, 824920, 955700, 1031150, 1567348, 1911400, 1959185, 2062300, 3134696, 3918370, 4124600, 7836740, 9795925, 15673480, 19591850, 39183700, 78367400]

約数ペア:

[(1, 78367400), (2, 39183700), (4, 19591850), (5, 15673480), (8, 9795925), (10, 7836740), (19, 4124600), (20, 3918370), (25, 3134696), (38, 2062300), (40, 1959185), (41, 1911400), (50, 1567348), (76, 1031150), (82, 955700), (95, 824920), (100, 783674), (152, 515575), (164, 477850), (190, 412460), (200, 391837), (205, 382280), (328, 238925), (380, 206230), (410, 191140), (475, 164984), (503, 155800), (760, 103115), (779, 100600), (820, 95570), (950, 82492), (1006, 77900), (1025, 76456), (1558, 50300), (1640, 47785), (1900, 41246), (2012, 38950), (2050, 38228), (2515, 31160), (3116, 25150), (3800, 20623), (3895, 20120), (4024, 19475), (4100, 19114), (5030, 15580), (6232, 12575), (7790, 10060), (8200, 9557)]