1900192720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{7213}}^1$

素因数の和:7352

約数の個数: 80

約数和(自身を含む): 4588969680

約数和(自身を除く): 2688776960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1424, 1480, 1780, 2960, 3293, 3560, 6586, 7120, 7213, 13172, 14426, 16465, 26344, 28852, 32930, 36065, 52688, 57704, 65860, 72130, 115408, 131720, 144260, 263440, 266881, 288520, 533762, 577040, 641957, 1067524, 1283914, 1334405, 2135048, 2567828, 2668810, 3209785, 4270096, 5135656, 5337620, 6419570, 10271312, 10675240, 12839140, 21350480, 23752409, 25678280, 47504818, 51356560, 95009636, 118762045, 190019272, 237524090, 380038544, 475048180, 950096360, 1900192720]

約数ペア:

[(1, 1900192720), (2, 950096360), (4, 475048180), (5, 380038544), (8, 237524090), (10, 190019272), (16, 118762045), (20, 95009636), (37, 51356560), (40, 47504818), (74, 25678280), (80, 23752409), (89, 21350480), (148, 12839140), (178, 10675240), (185, 10271312), (296, 6419570), (356, 5337620), (370, 5135656), (445, 4270096), (592, 3209785), (712, 2668810), (740, 2567828), (890, 2135048), (1424, 1334405), (1480, 1283914), (1780, 1067524), (2960, 641957), (3293, 577040), (3560, 533762), (6586, 288520), (7120, 266881), (7213, 263440), (13172, 144260), (14426, 131720), (16465, 115408), (26344, 72130), (28852, 65860), (32930, 57704), (36065, 52688)]