209463280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 554964480

約数和(自身を除く): 345501200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 73, 80, 89, 104, 124, 130, 146, 155, 178, 208, 248, 260, 292, 310, 356, 365, 403, 445, 496, 520, 584, 620, 712, 730, 806, 890, 949, 1040, 1157, 1168, 1240, 1424, 1460, 1612, 1780, 1898, 2015, 2263, 2314, 2480, 2759, 2920, 3224, 3560, 3796, 4030, 4526, 4628, 4745, 5518, 5785, 5840, 6448, 6497, 7120, 7592, 8060, 9052, 9256, 9490, 11036, 11315, 11570, 12994, 13795, 15184, 16120, 18104, 18512, 18980, 22072, 22630, 23140, 25988, 27590, 29419, 32240, 32485, 35867, 36208, 37960, 44144, 45260, 46280, 51976, 55180, 58838, 64970, 71734, 75920, 84461, 90520, 92560, 103952, 110360, 117676, 129940, 143468, 147095, 168922, 179335, 181040, 201407, 220720, 235352, 259880, 286936, 294190, 337844, 358670, 402814, 422305, 470704, 519760, 573872, 588380, 675688, 717340, 805628, 844610, 1007035, 1176760, 1351376, 1434680, 1611256, 1689220, 2014070, 2353520, 2618291, 2869360, 3222512, 3378440, 4028140, 5236582, 6756880, 8056280, 10473164, 13091455, 16112560, 20946328, 26182910, 41892656, 52365820, 104731640, 209463280]

約数ペア:

[(1, 209463280), (2, 104731640), (4, 52365820), (5, 41892656), (8, 26182910), (10, 20946328), (13, 16112560), (16, 13091455), (20, 10473164), (26, 8056280), (31, 6756880), (40, 5236582), (52, 4028140), (62, 3378440), (65, 3222512), (73, 2869360), (80, 2618291), (89, 2353520), (104, 2014070), (124, 1689220), (130, 1611256), (146, 1434680), (155, 1351376), (178, 1176760), (208, 1007035), (248, 844610), (260, 805628), (292, 717340), (310, 675688), (356, 588380), (365, 573872), (403, 519760), (445, 470704), (496, 422305), (520, 402814), (584, 358670), (620, 337844), (712, 294190), (730, 286936), (806, 259880), (890, 235352), (949, 220720), (1040, 201407), (1157, 181040), (1168, 179335), (1240, 168922), (1424, 147095), (1460, 143468), (1612, 129940), (1780, 117676), (1898, 110360), (2015, 103952), (2263, 92560), (2314, 90520), (2480, 84461), (2759, 75920), (2920, 71734), (3224, 64970), (3560, 58838), (3796, 55180), (4030, 51976), (4526, 46280), (4628, 45260), (4745, 44144), (5518, 37960), (5785, 36208), (5840, 35867), (6448, 32485), (6497, 32240), (7120, 29419), (7592, 27590), (8060, 25988), (9052, 23140), (9256, 22630), (9490, 22072), (11036, 18980), (11315, 18512), (11570, 18104), (12994, 16120), (13795, 15184)]