28996844140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{151673}}^1$

素因数の和:151783

約数の個数: 72

約数和(自身を含む): 67780077120

約数和(自身を除く): 38783232980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 220, 242, 316, 395, 484, 605, 790, 869, 1210, 1580, 1738, 2420, 3476, 4345, 8690, 9559, 17380, 19118, 38236, 47795, 95590, 151673, 191180, 303346, 606692, 758365, 1516730, 1668403, 3033460, 3336806, 6673612, 8342015, 11982167, 16684030, 18352433, 23964334, 33368060, 36704866, 47928668, 59910835, 73409732, 91762165, 119821670, 131803837, 183524330, 239643340, 263607674, 367048660, 527215348, 659019185, 1318038370, 1449842207, 2636076740, 2899684414, 5799368828, 7249211035, 14498422070, 28996844140]

約数ペア:

[(1, 28996844140), (2, 14498422070), (4, 7249211035), (5, 5799368828), (10, 2899684414), (11, 2636076740), (20, 1449842207), (22, 1318038370), (44, 659019185), (55, 527215348), (79, 367048660), (110, 263607674), (121, 239643340), (158, 183524330), (220, 131803837), (242, 119821670), (316, 91762165), (395, 73409732), (484, 59910835), (605, 47928668), (790, 36704866), (869, 33368060), (1210, 23964334), (1580, 18352433), (1738, 16684030), (2420, 11982167), (3476, 8342015), (4345, 6673612), (8690, 3336806), (9559, 3033460), (17380, 1668403), (19118, 1516730), (38236, 758365), (47795, 606692), (95590, 303346), (151673, 191180)]