5405043980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{77681}}^1$

素因数の和:77775

約数の個数: 72

約数和(自身を含む): 13389890976

約数和(自身を除く): 7984846996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 34790, 69580, 77681, 155362, 310724, 388405, 543767, 776810, 1087534, 1553620, 2175068, 2718835, 3806369, 5437670, 5515351, 7612738, 10875340, 11030702, 15225476, 19031845, 22061404, 27576755, 38063690, 38607457, 55153510, 76127380, 77214914, 110307020, 154429828, 193037285, 270252199, 386074570, 540504398, 772149140, 1081008796, 1351260995, 2702521990, 5405043980]

約数ペア:

[(1, 5405043980), (2, 2702521990), (4, 1351260995), (5, 1081008796), (7, 772149140), (10, 540504398), (14, 386074570), (20, 270252199), (28, 193037285), (35, 154429828), (49, 110307020), (70, 77214914), (71, 76127380), (98, 55153510), (140, 38607457), (142, 38063690), (196, 27576755), (245, 22061404), (284, 19031845), (355, 15225476), (490, 11030702), (497, 10875340), (710, 7612738), (980, 5515351), (994, 5437670), (1420, 3806369), (1988, 2718835), (2485, 2175068), (3479, 1553620), (4970, 1087534), (6958, 776810), (9940, 543767), (13916, 388405), (17395, 310724), (34790, 155362), (69580, 77681)]