139809560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5209}}^1$

素因数の和:5292

約数の個数: 64

約数和(自身を含む): 348861600

約数和(自身を除く): 209052040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5209, 5368, 6710, 10418, 13420, 20836, 26045, 26840, 41672, 52090, 57299, 104180, 114598, 208360, 229196, 286495, 317749, 458392, 572990, 635498, 1145980, 1270996, 1588745, 2291960, 2541992, 3177490, 3495239, 6354980, 6990478, 12709960, 13980956, 17476195, 27961912, 34952390, 69904780, 139809560]

約数ペア:

[(1, 139809560), (2, 69904780), (4, 34952390), (5, 27961912), (8, 17476195), (10, 13980956), (11, 12709960), (20, 6990478), (22, 6354980), (40, 3495239), (44, 3177490), (55, 2541992), (61, 2291960), (88, 1588745), (110, 1270996), (122, 1145980), (220, 635498), (244, 572990), (305, 458392), (440, 317749), (488, 286495), (610, 229196), (671, 208360), (1220, 114598), (1342, 104180), (2440, 57299), (2684, 52090), (3355, 41672), (5209, 26840), (5368, 26045), (6710, 20836), (10418, 13420)]