2080454900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1031}}^1\times {\mathrm{1187}}^1$

素因数の和:2249

約数の個数: 72

約数和(自身を含む): 4788818496

約数和(自身を除く): 2708363596

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1031, 1187, 1700, 2062, 2374, 4124, 4748, 5155, 5935, 10310, 11870, 17527, 20179, 20620, 23740, 25775, 29675, 35054, 40358, 51550, 59350, 70108, 80716, 87635, 100895, 103100, 118700, 175270, 201790, 350540, 403580, 438175, 504475, 876350, 1008950, 1223797, 1752700, 2017900, 2447594, 4895188, 6118985, 12237970, 20804549, 24475940, 30594925, 41609098, 61189850, 83218196, 104022745, 122379700, 208045490, 416090980, 520113725, 1040227450, 2080454900]

約数ペア:

[(1, 2080454900), (2, 1040227450), (4, 520113725), (5, 416090980), (10, 208045490), (17, 122379700), (20, 104022745), (25, 83218196), (34, 61189850), (50, 41609098), (68, 30594925), (85, 24475940), (100, 20804549), (170, 12237970), (340, 6118985), (425, 4895188), (850, 2447594), (1031, 2017900), (1187, 1752700), (1700, 1223797), (2062, 1008950), (2374, 876350), (4124, 504475), (4748, 438175), (5155, 403580), (5935, 350540), (10310, 201790), (11870, 175270), (17527, 118700), (20179, 103100), (20620, 100895), (23740, 87635), (25775, 80716), (29675, 70108), (35054, 59350), (40358, 51550)]