69999800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 187209000

約数和(自身を除く): 117209200

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 109, 130, 152, 169, 190, 200, 218, 247, 260, 325, 338, 380, 436, 475, 494, 520, 545, 650, 676, 760, 845, 872, 950, 988, 1090, 1235, 1300, 1352, 1417, 1690, 1900, 1976, 2071, 2180, 2470, 2600, 2725, 2834, 3211, 3380, 3800, 4142, 4225, 4360, 4940, 5450, 5668, 6175, 6422, 6760, 7085, 8284, 8450, 9880, 10355, 10900, 11336, 12350, 12844, 14170, 16055, 16568, 16900, 18421, 20710, 21800, 24700, 25688, 26923, 28340, 32110, 33800, 35425, 36842, 41420, 49400, 51775, 53846, 56680, 64220, 70850, 73684, 80275, 82840, 92105, 103550, 107692, 128440, 134615, 141700, 147368, 160550, 184210, 207100, 215384, 269230, 283400, 321100, 349999, 368420, 414200, 460525, 538460, 642200, 673075, 699998, 736840, 921050, 1076920, 1346150, 1399996, 1749995, 1842100, 2692300, 2799992, 3499990, 3684200, 5384600, 6999980, 8749975, 13999960, 17499950, 34999900, 69999800]

約数ペア:

[(1, 69999800), (2, 34999900), (4, 17499950), (5, 13999960), (8, 8749975), (10, 6999980), (13, 5384600), (19, 3684200), (20, 3499990), (25, 2799992), (26, 2692300), (38, 1842100), (40, 1749995), (50, 1399996), (52, 1346150), (65, 1076920), (76, 921050), (95, 736840), (100, 699998), (104, 673075), (109, 642200), (130, 538460), (152, 460525), (169, 414200), (190, 368420), (200, 349999), (218, 321100), (247, 283400), (260, 269230), (325, 215384), (338, 207100), (380, 184210), (436, 160550), (475, 147368), (494, 141700), (520, 134615), (545, 128440), (650, 107692), (676, 103550), (760, 92105), (845, 82840), (872, 80275), (950, 73684), (988, 70850), (1090, 64220), (1235, 56680), (1300, 53846), (1352, 51775), (1417, 49400), (1690, 41420), (1900, 36842), (1976, 35425), (2071, 33800), (2180, 32110), (2470, 28340), (2600, 26923), (2725, 25688), (2834, 24700), (3211, 21800), (3380, 20710), (3800, 18421), (4142, 16900), (4225, 16568), (4360, 16055), (4940, 14170), (5450, 12844), (5668, 12350), (6175, 11336), (6422, 10900), (6760, 10355), (7085, 9880), (8284, 8450)]