28499850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 120

約数和(自身を含む): 82101888

約数和(自身を除く): 53602038

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 150, 155, 162, 186, 225, 227, 270, 279, 310, 405, 450, 454, 465, 558, 675, 681, 775, 810, 837, 930, 1135, 1350, 1362, 1395, 1550, 1674, 2025, 2043, 2270, 2325, 2511, 2790, 3405, 4050, 4086, 4185, 4650, 5022, 5675, 6129, 6810, 6975, 7037, 8370, 10215, 11350, 12258, 12555, 13950, 14074, 17025, 18387, 20430, 20925, 21111, 25110, 30645, 34050, 35185, 36774, 41850, 42222, 51075, 61290, 62775, 63333, 70370, 91935, 102150, 105555, 125550, 126666, 153225, 175925, 183870, 189999, 211110, 306450, 316665, 351850, 379998, 459675, 527775, 569997, 633330, 919350, 949995, 1055550, 1139994, 1583325, 1899990, 2849985, 3166650, 4749975, 5699970, 9499950, 14249925, 28499850]

約数ペア:

[(1, 28499850), (2, 14249925), (3, 9499950), (5, 5699970), (6, 4749975), (9, 3166650), (10, 2849985), (15, 1899990), (18, 1583325), (25, 1139994), (27, 1055550), (30, 949995), (31, 919350), (45, 633330), (50, 569997), (54, 527775), (62, 459675), (75, 379998), (81, 351850), (90, 316665), (93, 306450), (135, 211110), (150, 189999), (155, 183870), (162, 175925), (186, 153225), (225, 126666), (227, 125550), (270, 105555), (279, 102150), (310, 91935), (405, 70370), (450, 63333), (454, 62775), (465, 61290), (558, 51075), (675, 42222), (681, 41850), (775, 36774), (810, 35185), (837, 34050), (930, 30645), (1135, 25110), (1350, 21111), (1362, 20925), (1395, 20430), (1550, 18387), (1674, 17025), (2025, 14074), (2043, 13950), (2270, 12555), (2325, 12258), (2511, 11350), (2790, 10215), (3405, 8370), (4050, 7037), (4086, 6975), (4185, 6810), (4650, 6129), (5022, 5675)]