318370000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 200

約数和(自身を含む): 867722240

約数和(自身を除く): 549352240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 79, 80, 100, 104, 124, 125, 130, 155, 158, 200, 208, 248, 250, 260, 310, 316, 325, 395, 400, 403, 496, 500, 520, 620, 625, 632, 650, 775, 790, 806, 1000, 1027, 1040, 1240, 1250, 1264, 1300, 1550, 1580, 1612, 1625, 1975, 2000, 2015, 2054, 2449, 2480, 2500, 2600, 3100, 3160, 3224, 3250, 3875, 3950, 4030, 4108, 4898, 5000, 5135, 5200, 6200, 6320, 6448, 6500, 7750, 7900, 8060, 8125, 8216, 9796, 9875, 10000, 10075, 10270, 12245, 12400, 13000, 15500, 15800, 16120, 16250, 16432, 19375, 19592, 19750, 20150, 20540, 24490, 25675, 26000, 31000, 31600, 31837, 32240, 32500, 38750, 39184, 39500, 40300, 41080, 48980, 49375, 50375, 51350, 61225, 62000, 63674, 65000, 77500, 79000, 80600, 82160, 97960, 98750, 100750, 102700, 122450, 127348, 128375, 130000, 155000, 158000, 159185, 161200, 195920, 197500, 201500, 205400, 244900, 251875, 254696, 256750, 306125, 310000, 318370, 395000, 403000, 410800, 489800, 503750, 509392, 513500, 612250, 636740, 641875, 790000, 795925, 806000, 979600, 1007500, 1027000, 1224500, 1273480, 1283750, 1530625, 1591850, 2015000, 2054000, 2449000, 2546960, 2567500, 3061250, 3183700, 3979625, 4030000, 4898000, 5135000, 6122500, 6367400, 7959250, 10270000, 12245000, 12734800, 15918500, 19898125, 24490000, 31837000, 39796250, 63674000, 79592500, 159185000, 318370000]

約数ペア:

[(1, 318370000), (2, 159185000), (4, 79592500), (5, 63674000), (8, 39796250), (10, 31837000), (13, 24490000), (16, 19898125), (20, 15918500), (25, 12734800), (26, 12245000), (31, 10270000), (40, 7959250), (50, 6367400), (52, 6122500), (62, 5135000), (65, 4898000), (79, 4030000), (80, 3979625), (100, 3183700), (104, 3061250), (124, 2567500), (125, 2546960), (130, 2449000), (155, 2054000), (158, 2015000), (200, 1591850), (208, 1530625), (248, 1283750), (250, 1273480), (260, 1224500), (310, 1027000), (316, 1007500), (325, 979600), (395, 806000), (400, 795925), (403, 790000), (496, 641875), (500, 636740), (520, 612250), (620, 513500), (625, 509392), (632, 503750), (650, 489800), (775, 410800), (790, 403000), (806, 395000), (1000, 318370), (1027, 310000), (1040, 306125), (1240, 256750), (1250, 254696), (1264, 251875), (1300, 244900), (1550, 205400), (1580, 201500), (1612, 197500), (1625, 195920), (1975, 161200), (2000, 159185), (2015, 158000), (2054, 155000), (2449, 130000), (2480, 128375), (2500, 127348), (2600, 122450), (3100, 102700), (3160, 100750), (3224, 98750), (3250, 97960), (3875, 82160), (3950, 80600), (4030, 79000), (4108, 77500), (4898, 65000), (5000, 63674), (5135, 62000), (5200, 61225), (6200, 51350), (6320, 50375), (6448, 49375), (6500, 48980), (7750, 41080), (7900, 40300), (8060, 39500), (8125, 39184), (8216, 38750), (9796, 32500), (9875, 32240), (10000, 31837), (10075, 31600), (10270, 31000), (12245, 26000), (12400, 25675), (13000, 24490), (15500, 20540), (15800, 20150), (16120, 19750), (16250, 19592), (16432, 19375)]