217317750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 603832320

約数和(自身を除く): 386514570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 186, 195, 250, 310, 325, 375, 390, 403, 465, 650, 719, 750, 775, 806, 930, 975, 1209, 1438, 1550, 1625, 1950, 2015, 2157, 2325, 2418, 3250, 3595, 3875, 4030, 4314, 4650, 4875, 6045, 7190, 7750, 9347, 9750, 10075, 10785, 11625, 12090, 17975, 18694, 20150, 21570, 22289, 23250, 28041, 30225, 35950, 44578, 46735, 50375, 53925, 56082, 60450, 66867, 89875, 93470, 100750, 107850, 111445, 133734, 140205, 151125, 179750, 222890, 233675, 269625, 280410, 289757, 302250, 334335, 467350, 539250, 557225, 579514, 668670, 701025, 869271, 1114450, 1168375, 1402050, 1448785, 1671675, 1738542, 2336750, 2786125, 2897570, 3343350, 3505125, 4346355, 5572250, 7010250, 7243925, 8358375, 8692710, 14487850, 16716750, 21731775, 36219625, 43463550, 72439250, 108658875, 217317750]

約数ペア:

[(1, 217317750), (2, 108658875), (3, 72439250), (5, 43463550), (6, 36219625), (10, 21731775), (13, 16716750), (15, 14487850), (25, 8692710), (26, 8358375), (30, 7243925), (31, 7010250), (39, 5572250), (50, 4346355), (62, 3505125), (65, 3343350), (75, 2897570), (78, 2786125), (93, 2336750), (125, 1738542), (130, 1671675), (150, 1448785), (155, 1402050), (186, 1168375), (195, 1114450), (250, 869271), (310, 701025), (325, 668670), (375, 579514), (390, 557225), (403, 539250), (465, 467350), (650, 334335), (719, 302250), (750, 289757), (775, 280410), (806, 269625), (930, 233675), (975, 222890), (1209, 179750), (1438, 151125), (1550, 140205), (1625, 133734), (1950, 111445), (2015, 107850), (2157, 100750), (2325, 93470), (2418, 89875), (3250, 66867), (3595, 60450), (3875, 56082), (4030, 53925), (4314, 50375), (4650, 46735), (4875, 44578), (6045, 35950), (7190, 30225), (7750, 28041), (9347, 23250), (9750, 22289), (10075, 21570), (10785, 20150), (11625, 18694), (12090, 17975)]