205091250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:646

約数の個数: 160

約数和(自身を含む): 631897728

約数和(自身を除く): 426806478

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 250, 273, 325, 350, 375, 390, 455, 525, 546, 601, 625, 650, 750, 875, 910, 975, 1050, 1202, 1250, 1365, 1625, 1750, 1803, 1875, 1950, 2275, 2625, 2730, 3005, 3250, 3606, 3750, 4207, 4375, 4550, 4875, 5250, 6010, 6825, 7813, 8125, 8414, 8750, 9015, 9750, 11375, 12621, 13125, 13650, 15025, 15626, 16250, 18030, 21035, 22750, 23439, 24375, 25242, 26250, 30050, 34125, 39065, 42070, 45075, 46878, 48750, 54691, 56875, 63105, 68250, 75125, 78130, 90150, 105175, 109382, 113750, 117195, 126210, 150250, 164073, 170625, 195325, 210350, 225375, 234390, 273455, 315525, 328146, 341250, 375625, 390650, 450750, 525875, 546910, 585975, 631050, 751250, 820365, 976625, 1051750, 1126875, 1171950, 1367275, 1577625, 1640730, 1953250, 2253750, 2629375, 2734550, 2929875, 3155250, 4101825, 4883125, 5258750, 5859750, 6836375, 7888125, 8203650, 9766250, 13672750, 14649375, 15776250, 20509125, 29298750, 34181875, 41018250, 68363750, 102545625, 205091250]

約数ペア:

[(1, 205091250), (2, 102545625), (3, 68363750), (5, 41018250), (6, 34181875), (7, 29298750), (10, 20509125), (13, 15776250), (14, 14649375), (15, 13672750), (21, 9766250), (25, 8203650), (26, 7888125), (30, 6836375), (35, 5859750), (39, 5258750), (42, 4883125), (50, 4101825), (65, 3155250), (70, 2929875), (75, 2734550), (78, 2629375), (91, 2253750), (105, 1953250), (125, 1640730), (130, 1577625), (150, 1367275), (175, 1171950), (182, 1126875), (195, 1051750), (210, 976625), (250, 820365), (273, 751250), (325, 631050), (350, 585975), (375, 546910), (390, 525875), (455, 450750), (525, 390650), (546, 375625), (601, 341250), (625, 328146), (650, 315525), (750, 273455), (875, 234390), (910, 225375), (975, 210350), (1050, 195325), (1202, 170625), (1250, 164073), (1365, 150250), (1625, 126210), (1750, 117195), (1803, 113750), (1875, 109382), (1950, 105175), (2275, 90150), (2625, 78130), (2730, 75125), (3005, 68250), (3250, 63105), (3606, 56875), (3750, 54691), (4207, 48750), (4375, 46878), (4550, 45075), (4875, 42070), (5250, 39065), (6010, 34125), (6825, 30050), (7813, 26250), (8125, 25242), (8414, 24375), (8750, 23439), (9015, 22750), (9750, 21035), (11375, 18030), (12621, 16250), (13125, 15626), (13650, 15025)]