257637900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2192

約数の個数: 144

約数和(自身を含む): 829058048

約数和(自身を除く): 571420148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2131, 2325, 2418, 3100, 3900, 4030, 4262, 4650, 4836, 6045, 6393, 8060, 8524, 9300, 10075, 10655, 12090, 12786, 20150, 21310, 24180, 25572, 27703, 30225, 31965, 40300, 42620, 53275, 55406, 60450, 63930, 66061, 83109, 106550, 110812, 120900, 127860, 132122, 138515, 159825, 166218, 198183, 213100, 264244, 277030, 319650, 330305, 332436, 396366, 415545, 554060, 639300, 660610, 692575, 792732, 831090, 858793, 990915, 1321220, 1385150, 1651525, 1662180, 1717586, 1981830, 2077725, 2576379, 2770300, 3303050, 3435172, 3963660, 4155450, 4293965, 4954575, 5152758, 6606100, 8310900, 8587930, 9909150, 10305516, 12881895, 17175860, 19818300, 21469825, 25763790, 42939650, 51527580, 64409475, 85879300, 128818950, 257637900]

約数ペア:

[(1, 257637900), (2, 128818950), (3, 85879300), (4, 64409475), (5, 51527580), (6, 42939650), (10, 25763790), (12, 21469825), (13, 19818300), (15, 17175860), (20, 12881895), (25, 10305516), (26, 9909150), (30, 8587930), (31, 8310900), (39, 6606100), (50, 5152758), (52, 4954575), (60, 4293965), (62, 4155450), (65, 3963660), (75, 3435172), (78, 3303050), (93, 2770300), (100, 2576379), (124, 2077725), (130, 1981830), (150, 1717586), (155, 1662180), (156, 1651525), (186, 1385150), (195, 1321220), (260, 990915), (300, 858793), (310, 831090), (325, 792732), (372, 692575), (390, 660610), (403, 639300), (465, 554060), (620, 415545), (650, 396366), (775, 332436), (780, 330305), (806, 319650), (930, 277030), (975, 264244), (1209, 213100), (1300, 198183), (1550, 166218), (1612, 159825), (1860, 138515), (1950, 132122), (2015, 127860), (2131, 120900), (2325, 110812), (2418, 106550), (3100, 83109), (3900, 66061), (4030, 63930), (4262, 60450), (4650, 55406), (4836, 53275), (6045, 42620), (6393, 40300), (8060, 31965), (8524, 30225), (9300, 27703), (10075, 25572), (10655, 24180), (12090, 21310), (12786, 20150)]