257456550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4259}}^1$

素因数の和:4318

約数の個数: 96

約数和(自身を含む): 709954560

約数和(自身を除く): 452498010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 186, 195, 310, 325, 390, 403, 465, 650, 775, 806, 930, 975, 1209, 1550, 1950, 2015, 2325, 2418, 4030, 4259, 4650, 6045, 8518, 10075, 12090, 12777, 20150, 21295, 25554, 30225, 42590, 55367, 60450, 63885, 106475, 110734, 127770, 132029, 166101, 212950, 264058, 276835, 319425, 332202, 396087, 553670, 638850, 660145, 792174, 830505, 1320290, 1384175, 1661010, 1716377, 1980435, 2768350, 3300725, 3432754, 3960870, 4152525, 5149131, 6601450, 8305050, 8581885, 9902175, 10298262, 17163770, 19804350, 25745655, 42909425, 51491310, 85818850, 128728275, 257456550]

約数ペア:

[(1, 257456550), (2, 128728275), (3, 85818850), (5, 51491310), (6, 42909425), (10, 25745655), (13, 19804350), (15, 17163770), (25, 10298262), (26, 9902175), (30, 8581885), (31, 8305050), (39, 6601450), (50, 5149131), (62, 4152525), (65, 3960870), (75, 3432754), (78, 3300725), (93, 2768350), (130, 1980435), (150, 1716377), (155, 1661010), (186, 1384175), (195, 1320290), (310, 830505), (325, 792174), (390, 660145), (403, 638850), (465, 553670), (650, 396087), (775, 332202), (806, 319425), (930, 276835), (975, 264058), (1209, 212950), (1550, 166101), (1950, 132029), (2015, 127770), (2325, 110734), (2418, 106475), (4030, 63885), (4259, 60450), (4650, 55367), (6045, 42590), (8518, 30225), (10075, 25554), (12090, 21295), (12777, 20150)]