686282690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1291}}^1$

素因数の和:1427

約数の個数: 64

約数和(自身を含む): 1356289920

約数和(自身を除く): 670007230

約数列:

[1, 2, 5, 10, 17, 34, 53, 59, 85, 106, 118, 170, 265, 295, 530, 590, 901, 1003, 1291, 1802, 2006, 2582, 3127, 4505, 5015, 6254, 6455, 9010, 10030, 12910, 15635, 21947, 31270, 43894, 53159, 68423, 76169, 106318, 109735, 136846, 152338, 219470, 265795, 342115, 380845, 531590, 684230, 761690, 1163191, 1294873, 2326382, 2589746, 4036957, 5815955, 6474365, 8073914, 11631910, 12948730, 20184785, 40369570, 68628269, 137256538, 343141345, 686282690]

約数ペア:

[(1, 686282690), (2, 343141345), (5, 137256538), (10, 68628269), (17, 40369570), (34, 20184785), (53, 12948730), (59, 11631910), (85, 8073914), (106, 6474365), (118, 5815955), (170, 4036957), (265, 2589746), (295, 2326382), (530, 1294873), (590, 1163191), (901, 761690), (1003, 684230), (1291, 531590), (1802, 380845), (2006, 342115), (2582, 265795), (3127, 219470), (4505, 152338), (5015, 136846), (6254, 109735), (6455, 106318), (9010, 76169), (10030, 68423), (12910, 53159), (15635, 43894), (21947, 31270)]