621144580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{33359}}^1$

素因数の和:33401

約数の個数: 72

約数和(自身を含む): 1597276800

約数和(自身を除く): 976132220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 33359, 66718, 133436, 166795, 233513, 333590, 467026, 633821, 667180, 934052, 1167565, 1267642, 1634591, 2335130, 2535284, 3169105, 3269182, 4436747, 4670260, 6338210, 6538364, 8172955, 8873494, 12676420, 16345910, 17746988, 22183735, 31057229, 32691820, 44367470, 62114458, 88734940, 124228916, 155286145, 310572290, 621144580]

約数ペア:

[(1, 621144580), (2, 310572290), (4, 155286145), (5, 124228916), (7, 88734940), (10, 62114458), (14, 44367470), (19, 32691820), (20, 31057229), (28, 22183735), (35, 17746988), (38, 16345910), (49, 12676420), (70, 8873494), (76, 8172955), (95, 6538364), (98, 6338210), (133, 4670260), (140, 4436747), (190, 3269182), (196, 3169105), (245, 2535284), (266, 2335130), (380, 1634591), (490, 1267642), (532, 1167565), (665, 934052), (931, 667180), (980, 633821), (1330, 467026), (1862, 333590), (2660, 233513), (3724, 166795), (4655, 133436), (9310, 66718), (18620, 33359)]