28372100740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1\times {\mathrm{1619}}^1$

素因数の和:2185

約数の個数: 96

約数和(自身を含む): 63489484800

約数和(自身を除く): 35117384060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 431, 535, 862, 1070, 1619, 1724, 2033, 2140, 2155, 3238, 4066, 4310, 6476, 8095, 8132, 8189, 8620, 10165, 16190, 16378, 20330, 30761, 32380, 32756, 40660, 40945, 46117, 61522, 81890, 92234, 123044, 153805, 163780, 173233, 184468, 230585, 307610, 346466, 461170, 615220, 692932, 697789, 866165, 876223, 922340, 1395578, 1732330, 1752446, 2791156, 3291427, 3464660, 3488945, 3504892, 4381115, 6582854, 6977890, 8762230, 13165708, 13257991, 13955780, 16457135, 17524460, 26515982, 32914270, 53031964, 65828540, 66289955, 74663423, 132579910, 149326846, 265159820, 298653692, 373317115, 746634230, 1418605037, 1493268460, 2837210074, 5674420148, 7093025185, 14186050370, 28372100740]

約数ペア:

[(1, 28372100740), (2, 14186050370), (4, 7093025185), (5, 5674420148), (10, 2837210074), (19, 1493268460), (20, 1418605037), (38, 746634230), (76, 373317115), (95, 298653692), (107, 265159820), (190, 149326846), (214, 132579910), (380, 74663423), (428, 66289955), (431, 65828540), (535, 53031964), (862, 32914270), (1070, 26515982), (1619, 17524460), (1724, 16457135), (2033, 13955780), (2140, 13257991), (2155, 13165708), (3238, 8762230), (4066, 6977890), (4310, 6582854), (6476, 4381115), (8095, 3504892), (8132, 3488945), (8189, 3464660), (8620, 3291427), (10165, 2791156), (16190, 1752446), (16378, 1732330), (20330, 1395578), (30761, 922340), (32380, 876223), (32756, 866165), (40660, 697789), (40945, 692932), (46117, 615220), (61522, 461170), (81890, 346466), (92234, 307610), (123044, 230585), (153805, 184468), (163780, 173233)]