10920140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1013}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 29130192

約数和(自身を除く): 18210052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1013, 1078, 1540, 2026, 2156, 2695, 4052, 5065, 5390, 7091, 10130, 10780, 11143, 14182, 20260, 22286, 28364, 35455, 44572, 49637, 55715, 70910, 78001, 99274, 111430, 141820, 156002, 198548, 222860, 248185, 312004, 390005, 496370, 546007, 780010, 992740, 1092014, 1560020, 2184028, 2730035, 5460070, 10920140]

約数ペア:

[(1, 10920140), (2, 5460070), (4, 2730035), (5, 2184028), (7, 1560020), (10, 1092014), (11, 992740), (14, 780010), (20, 546007), (22, 496370), (28, 390005), (35, 312004), (44, 248185), (49, 222860), (55, 198548), (70, 156002), (77, 141820), (98, 111430), (110, 99274), (140, 78001), (154, 70910), (196, 55715), (220, 49637), (245, 44572), (308, 35455), (385, 28364), (490, 22286), (539, 20260), (770, 14182), (980, 11143), (1013, 10780), (1078, 10130), (1540, 7091), (2026, 5390), (2156, 5065), (2695, 4052)]