20210906170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{563}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 45408190464

約数和(自身を除く): 25197284294

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 103, 130, 182, 206, 383, 455, 515, 563, 721, 766, 910, 1030, 1126, 1339, 1442, 1915, 2678, 2681, 2815, 3605, 3830, 3941, 4979, 5362, 5630, 6695, 7210, 7319, 7882, 9373, 9958, 13390, 13405, 14638, 18746, 19705, 24895, 26810, 34853, 36595, 39410, 39449, 46865, 49790, 51233, 57989, 69706, 73190, 78898, 93730, 102466, 115978, 174265, 197245, 215629, 256165, 276143, 289945, 348530, 394490, 405923, 431258, 512330, 512837, 552286, 579890, 753857, 811846, 1025674, 1078145, 1380715, 1507714, 1509403, 2029615, 2156290, 2564185, 2761430, 2803177, 3018806, 3589859, 3769285, 4059230, 5128370, 5276999, 5606354, 7179718, 7538570, 7547015, 10553998, 14015885, 15094030, 17949295, 19622239, 22209787, 26384995, 28031770, 35898590, 39244478, 44419574, 52769990, 98111195, 111048935, 155468509, 196222390, 222097870, 288727231, 310937018, 577454462, 777342545, 1443636155, 1554685090, 2021090617, 2887272310, 4042181234, 10105453085, 20210906170]

約数ペア:

[(1, 20210906170), (2, 10105453085), (5, 4042181234), (7, 2887272310), (10, 2021090617), (13, 1554685090), (14, 1443636155), (26, 777342545), (35, 577454462), (65, 310937018), (70, 288727231), (91, 222097870), (103, 196222390), (130, 155468509), (182, 111048935), (206, 98111195), (383, 52769990), (455, 44419574), (515, 39244478), (563, 35898590), (721, 28031770), (766, 26384995), (910, 22209787), (1030, 19622239), (1126, 17949295), (1339, 15094030), (1442, 14015885), (1915, 10553998), (2678, 7547015), (2681, 7538570), (2815, 7179718), (3605, 5606354), (3830, 5276999), (3941, 5128370), (4979, 4059230), (5362, 3769285), (5630, 3589859), (6695, 3018806), (7210, 2803177), (7319, 2761430), (7882, 2564185), (9373, 2156290), (9958, 2029615), (13390, 1509403), (13405, 1507714), (14638, 1380715), (18746, 1078145), (19705, 1025674), (24895, 811846), (26810, 753857), (34853, 579890), (36595, 552286), (39410, 512837), (39449, 512330), (46865, 431258), (49790, 405923), (51233, 394490), (57989, 348530), (69706, 289945), (73190, 276143), (78898, 256165), (93730, 215629), (102466, 197245), (115978, 174265)]