2017581880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 4949697600

約数和(自身を除く): 2932115720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 157, 185, 190, 296, 314, 370, 380, 457, 628, 703, 740, 760, 785, 914, 1256, 1406, 1480, 1570, 1828, 2285, 2812, 2983, 3140, 3515, 3656, 4570, 5624, 5809, 5966, 6280, 7030, 8683, 9140, 11618, 11932, 14060, 14915, 16909, 17366, 18280, 23236, 23864, 28120, 29045, 29830, 33818, 34732, 43415, 46472, 58090, 59660, 67636, 69464, 71749, 84545, 86830, 110371, 116180, 119320, 135272, 143498, 169090, 173660, 220742, 232360, 286996, 321271, 338180, 347320, 358745, 441484, 551855, 573992, 642542, 676360, 717490, 882968, 1103710, 1285084, 1363231, 1434980, 1606355, 2207420, 2570168, 2654713, 2726462, 2869960, 3212710, 4414840, 5309426, 5452924, 6425420, 6816155, 10618852, 10905848, 12850840, 13273565, 13632310, 21237704, 26547130, 27264620, 50439547, 53094260, 54529240, 100879094, 106188520, 201758188, 252197735, 403516376, 504395470, 1008790940, 2017581880]

約数ペア:

[(1, 2017581880), (2, 1008790940), (4, 504395470), (5, 403516376), (8, 252197735), (10, 201758188), (19, 106188520), (20, 100879094), (37, 54529240), (38, 53094260), (40, 50439547), (74, 27264620), (76, 26547130), (95, 21237704), (148, 13632310), (152, 13273565), (157, 12850840), (185, 10905848), (190, 10618852), (296, 6816155), (314, 6425420), (370, 5452924), (380, 5309426), (457, 4414840), (628, 3212710), (703, 2869960), (740, 2726462), (760, 2654713), (785, 2570168), (914, 2207420), (1256, 1606355), (1406, 1434980), (1480, 1363231), (1570, 1285084), (1828, 1103710), (2285, 882968), (2812, 717490), (2983, 676360), (3140, 642542), (3515, 573992), (3656, 551855), (4570, 441484), (5624, 358745), (5809, 347320), (5966, 338180), (6280, 321271), (7030, 286996), (8683, 232360), (9140, 220742), (11618, 173660), (11932, 169090), (14060, 143498), (14915, 135272), (16909, 119320), (17366, 116180), (18280, 110371), (23236, 86830), (23864, 84545), (28120, 71749), (29045, 69464), (29830, 67636), (33818, 59660), (34732, 58090), (43415, 46472)]