256850100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 216

約数和(自身を含む): 898093560

約数和(自身を除く): 641243460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 29, 30, 36, 39, 45, 50, 52, 58, 60, 65, 75, 78, 87, 90, 100, 116, 117, 130, 145, 150, 156, 174, 180, 195, 225, 234, 260, 261, 290, 300, 325, 348, 377, 390, 435, 450, 468, 522, 580, 585, 650, 725, 754, 757, 780, 870, 900, 975, 1044, 1131, 1170, 1300, 1305, 1450, 1508, 1514, 1740, 1885, 1950, 2175, 2262, 2271, 2340, 2610, 2900, 2925, 3028, 3393, 3770, 3785, 3900, 4350, 4524, 4542, 5220, 5655, 5850, 6525, 6786, 6813, 7540, 7570, 8700, 9084, 9425, 9841, 11310, 11355, 11700, 13050, 13572, 13626, 15140, 16965, 18850, 18925, 19682, 21953, 22620, 22710, 26100, 27252, 28275, 29523, 33930, 34065, 37700, 37850, 39364, 43906, 45420, 49205, 56550, 56775, 59046, 65859, 67860, 68130, 75700, 84825, 87812, 88569, 98410, 109765, 113100, 113550, 118092, 131718, 136260, 147615, 169650, 170325, 177138, 196820, 197577, 219530, 227100, 246025, 263436, 285389, 295230, 329295, 339300, 340650, 354276, 395154, 439060, 442845, 492050, 548825, 570778, 590460, 658590, 681300, 738075, 790308, 856167, 885690, 984100, 987885, 1097650, 1141556, 1317180, 1426945, 1476150, 1646475, 1712334, 1771380, 1975770, 2195300, 2214225, 2568501, 2853890, 2952300, 3292950, 3424668, 3951540, 4280835, 4428450, 4939425, 5137002, 5707780, 6585900, 7134725, 8561670, 8856900, 9878850, 10274004, 12842505, 14269450, 17123340, 19757700, 21404175, 25685010, 28538900, 42808350, 51370020, 64212525, 85616700, 128425050, 256850100]

約数ペア:

[(1, 256850100), (2, 128425050), (3, 85616700), (4, 64212525), (5, 51370020), (6, 42808350), (9, 28538900), (10, 25685010), (12, 21404175), (13, 19757700), (15, 17123340), (18, 14269450), (20, 12842505), (25, 10274004), (26, 9878850), (29, 8856900), (30, 8561670), (36, 7134725), (39, 6585900), (45, 5707780), (50, 5137002), (52, 4939425), (58, 4428450), (60, 4280835), (65, 3951540), (75, 3424668), (78, 3292950), (87, 2952300), (90, 2853890), (100, 2568501), (116, 2214225), (117, 2195300), (130, 1975770), (145, 1771380), (150, 1712334), (156, 1646475), (174, 1476150), (180, 1426945), (195, 1317180), (225, 1141556), (234, 1097650), (260, 987885), (261, 984100), (290, 885690), (300, 856167), (325, 790308), (348, 738075), (377, 681300), (390, 658590), (435, 590460), (450, 570778), (468, 548825), (522, 492050), (580, 442845), (585, 439060), (650, 395154), (725, 354276), (754, 340650), (757, 339300), (780, 329295), (870, 295230), (900, 285389), (975, 263436), (1044, 246025), (1131, 227100), (1170, 219530), (1300, 197577), (1305, 196820), (1450, 177138), (1508, 170325), (1514, 169650), (1740, 147615), (1885, 136260), (1950, 131718), (2175, 118092), (2262, 113550), (2271, 113100), (2340, 109765), (2610, 98410), (2900, 88569), (2925, 87812), (3028, 84825), (3393, 75700), (3770, 68130), (3785, 67860), (3900, 65859), (4350, 59046), (4524, 56775), (4542, 56550), (5220, 49205), (5655, 45420), (5850, 43906), (6525, 39364), (6786, 37850), (6813, 37700), (7540, 34065), (7570, 33930), (8700, 29523), (9084, 28275), (9425, 27252), (9841, 26100), (11310, 22710), (11355, 22620), (11700, 21953), (13050, 19682), (13572, 18925), (13626, 18850), (15140, 16965)]