257819250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 716212224

約数和(自身を除く): 458392974

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, 750, 775, 806, 853, 930, 975, 1209, 1550, 1625, 1706, 1950, 2015, 2325, 2418, 2559, 3250, 3875, 4030, 4265, 4650, 4875, 5118, 6045, 7750, 8530, 9750, 10075, 11089, 11625, 12090, 12795, 20150, 21325, 22178, 23250, 25590, 26443, 30225, 33267, 42650, 50375, 52886, 55445, 60450, 63975, 66534, 79329, 100750, 106625, 110890, 127950, 132215, 151125, 158658, 166335, 213250, 264430, 277225, 302250, 319875, 332670, 343759, 396645, 554450, 639750, 661075, 687518, 793290, 831675, 1031277, 1322150, 1386125, 1663350, 1718795, 1983225, 2062554, 2772250, 3305375, 3437590, 3966450, 4158375, 5156385, 6610750, 8316750, 8593975, 9916125, 10312770, 17187950, 19832250, 25781925, 42969875, 51563850, 85939750, 128909625, 257819250]

約数ペア:

[(1, 257819250), (2, 128909625), (3, 85939750), (5, 51563850), (6, 42969875), (10, 25781925), (13, 19832250), (15, 17187950), (25, 10312770), (26, 9916125), (30, 8593975), (31, 8316750), (39, 6610750), (50, 5156385), (62, 4158375), (65, 3966450), (75, 3437590), (78, 3305375), (93, 2772250), (125, 2062554), (130, 1983225), (150, 1718795), (155, 1663350), (186, 1386125), (195, 1322150), (250, 1031277), (310, 831675), (325, 793290), (375, 687518), (390, 661075), (403, 639750), (465, 554450), (650, 396645), (750, 343759), (775, 332670), (806, 319875), (853, 302250), (930, 277225), (975, 264430), (1209, 213250), (1550, 166335), (1625, 158658), (1706, 151125), (1950, 132215), (2015, 127950), (2325, 110890), (2418, 106625), (2559, 100750), (3250, 79329), (3875, 66534), (4030, 63975), (4265, 60450), (4650, 55445), (4875, 52886), (5118, 50375), (6045, 42650), (7750, 33267), (8530, 30225), (9750, 26443), (10075, 25590), (11089, 23250), (11625, 22178), (12090, 21325), (12795, 20150)]