257396100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2190

約数の個数: 144

約数和(自身を含む): 828280320

約数和(自身を除く): 570884220

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, 2129, 2325, 2418, 3100, 3900, 4030, 4258, 4650, 4836, 6045, 6387, 8060, 8516, 9300, 10075, 10645, 12090, 12774, 20150, 21290, 24180, 25548, 27677, 30225, 31935, 40300, 42580, 53225, 55354, 60450, 63870, 65999, 83031, 106450, 110708, 120900, 127740, 131998, 138385, 159675, 166062, 197997, 212900, 263996, 276770, 319350, 329995, 332124, 395994, 415155, 553540, 638700, 659990, 691925, 791988, 830310, 857987, 989985, 1319980, 1383850, 1649975, 1660620, 1715974, 1979970, 2075775, 2573961, 2767700, 3299950, 3431948, 3959940, 4151550, 4289935, 4949925, 5147922, 6599900, 8303100, 8579870, 9899850, 10295844, 12869805, 17159740, 19799700, 21449675, 25739610, 42899350, 51479220, 64349025, 85798700, 128698050, 257396100]

約数ペア:

[(1, 257396100), (2, 128698050), (3, 85798700), (4, 64349025), (5, 51479220), (6, 42899350), (10, 25739610), (12, 21449675), (13, 19799700), (15, 17159740), (20, 12869805), (25, 10295844), (26, 9899850), (30, 8579870), (31, 8303100), (39, 6599900), (50, 5147922), (52, 4949925), (60, 4289935), (62, 4151550), (65, 3959940), (75, 3431948), (78, 3299950), (93, 2767700), (100, 2573961), (124, 2075775), (130, 1979970), (150, 1715974), (155, 1660620), (156, 1649975), (186, 1383850), (195, 1319980), (260, 989985), (300, 857987), (310, 830310), (325, 791988), (372, 691925), (390, 659990), (403, 638700), (465, 553540), (620, 415155), (650, 395994), (775, 332124), (780, 329995), (806, 319350), (930, 276770), (975, 263996), (1209, 212900), (1300, 197997), (1550, 166062), (1612, 159675), (1860, 138385), (1950, 131998), (2015, 127740), (2129, 120900), (2325, 110708), (2418, 106450), (3100, 83031), (3900, 65999), (4030, 63870), (4258, 60450), (4650, 55354), (4836, 53225), (6045, 42580), (6387, 40300), (8060, 31935), (8516, 30225), (9300, 27677), (10075, 25548), (10645, 24180), (12090, 21290), (12774, 20150)]