1988839520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{731191}}^1$

素因数の和:731223

約数の個数: 48

約数和(自身を含む): 4975030368

約数和(自身を除く): 2986190848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 731191, 1462382, 2924764, 3655955, 5849528, 7311910, 11699056, 12430247, 14623820, 23398112, 24860494, 29247640, 49720988, 58495280, 62151235, 99441976, 116990560, 124302470, 198883952, 248604940, 397767904, 497209880, 994419760, 1988839520]

約数ペア:

[(1, 1988839520), (2, 994419760), (4, 497209880), (5, 397767904), (8, 248604940), (10, 198883952), (16, 124302470), (17, 116990560), (20, 99441976), (32, 62151235), (34, 58495280), (40, 49720988), (68, 29247640), (80, 24860494), (85, 23398112), (136, 14623820), (160, 12430247), (170, 11699056), (272, 7311910), (340, 5849528), (544, 3655955), (680, 2924764), (1360, 1462382), (2720, 731191)]