613977980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{947}}^1$

素因数の和:1395

約数の個数: 96

約数和(自身を含む): 1613025792

約数和(自身を除く): 999047812

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 421, 770, 842, 947, 1540, 1684, 1894, 2105, 2947, 3788, 4210, 4631, 4735, 5894, 6629, 8420, 9262, 9470, 10417, 11788, 13258, 14735, 18524, 18940, 20834, 23155, 26516, 29470, 32417, 33145, 41668, 46310, 52085, 58940, 64834, 66290, 72919, 92620, 104170, 129668, 132580, 145838, 162085, 208340, 291676, 324170, 364595, 398687, 648340, 729190, 797374, 1458380, 1594748, 1993435, 2790809, 3986870, 4385557, 5581618, 7973740, 8771114, 11163236, 13954045, 17542228, 21927785, 27908090, 30698899, 43855570, 55816180, 61397798, 87711140, 122795596, 153494495, 306988990, 613977980]

約数ペア:

[(1, 613977980), (2, 306988990), (4, 153494495), (5, 122795596), (7, 87711140), (10, 61397798), (11, 55816180), (14, 43855570), (20, 30698899), (22, 27908090), (28, 21927785), (35, 17542228), (44, 13954045), (55, 11163236), (70, 8771114), (77, 7973740), (110, 5581618), (140, 4385557), (154, 3986870), (220, 2790809), (308, 1993435), (385, 1594748), (421, 1458380), (770, 797374), (842, 729190), (947, 648340), (1540, 398687), (1684, 364595), (1894, 324170), (2105, 291676), (2947, 208340), (3788, 162085), (4210, 145838), (4631, 132580), (4735, 129668), (5894, 104170), (6629, 92620), (8420, 72919), (9262, 66290), (9470, 64834), (10417, 58940), (11788, 52085), (13258, 46310), (14735, 41668), (18524, 33145), (18940, 32417), (20834, 29470), (23155, 26516)]