208203750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 599808000

約数和(自身を除く): 391604250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 125, 135, 150, 155, 186, 199, 225, 250, 270, 279, 310, 375, 398, 450, 465, 558, 597, 625, 675, 750, 775, 837, 930, 995, 1125, 1194, 1250, 1350, 1395, 1550, 1674, 1791, 1875, 1990, 2250, 2325, 2790, 2985, 3375, 3582, 3750, 3875, 4185, 4650, 4975, 5373, 5625, 5970, 6169, 6750, 6975, 7750, 8370, 8955, 9950, 10746, 11250, 11625, 12338, 13950, 14925, 16875, 17910, 18507, 19375, 20925, 23250, 24875, 26865, 29850, 30845, 33750, 34875, 37014, 38750, 41850, 44775, 49750, 53730, 55521, 58125, 61690, 69750, 74625, 89550, 92535, 104625, 111042, 116250, 124375, 134325, 149250, 154225, 166563, 174375, 185070, 209250, 223875, 248750, 268650, 277605, 308450, 333126, 348750, 373125, 447750, 462675, 523125, 555210, 671625, 746250, 771125, 832815, 925350, 1046250, 1119375, 1343250, 1388025, 1542250, 1665630, 2238750, 2313375, 2776050, 3358125, 3855625, 4164075, 4626750, 6716250, 6940125, 7711250, 8328150, 11566875, 13880250, 20820375, 23133750, 34700625, 41640750, 69401250, 104101875, 208203750]

約数ペア:

[(1, 208203750), (2, 104101875), (3, 69401250), (5, 41640750), (6, 34700625), (9, 23133750), (10, 20820375), (15, 13880250), (18, 11566875), (25, 8328150), (27, 7711250), (30, 6940125), (31, 6716250), (45, 4626750), (50, 4164075), (54, 3855625), (62, 3358125), (75, 2776050), (90, 2313375), (93, 2238750), (125, 1665630), (135, 1542250), (150, 1388025), (155, 1343250), (186, 1119375), (199, 1046250), (225, 925350), (250, 832815), (270, 771125), (279, 746250), (310, 671625), (375, 555210), (398, 523125), (450, 462675), (465, 447750), (558, 373125), (597, 348750), (625, 333126), (675, 308450), (750, 277605), (775, 268650), (837, 248750), (930, 223875), (995, 209250), (1125, 185070), (1194, 174375), (1250, 166563), (1350, 154225), (1395, 149250), (1550, 134325), (1674, 124375), (1791, 116250), (1875, 111042), (1990, 104625), (2250, 92535), (2325, 89550), (2790, 74625), (2985, 69750), (3375, 61690), (3582, 58125), (3750, 55521), (3875, 53730), (4185, 49750), (4650, 44775), (4975, 41850), (5373, 38750), (5625, 37014), (5970, 34875), (6169, 33750), (6750, 30845), (6975, 29850), (7750, 26865), (8370, 24875), (8955, 23250), (9950, 20925), (10746, 19375), (11250, 18507), (11625, 17910), (12338, 16875), (13950, 14925)]