204997520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1033

約数の個数: 160

約数和(自身を含む): 607461120

約数和(自身を除く): 402463600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 364, 377, 406, 455, 464, 520, 560, 580, 728, 754, 812, 910, 971, 1015, 1040, 1160, 1456, 1508, 1624, 1820, 1885, 1942, 2030, 2320, 2639, 3016, 3248, 3640, 3770, 3884, 4060, 4855, 5278, 6032, 6797, 7280, 7540, 7768, 8120, 9710, 10556, 12623, 13195, 13594, 15080, 15536, 16240, 19420, 21112, 25246, 26390, 27188, 28159, 30160, 33985, 38840, 42224, 50492, 52780, 54376, 56318, 63115, 67970, 77680, 88361, 100984, 105560, 108752, 112636, 126230, 135940, 140795, 176722, 197113, 201968, 211120, 225272, 252460, 271880, 281590, 353444, 366067, 394226, 441805, 450544, 504920, 543760, 563180, 706888, 732134, 788452, 883610, 985565, 1009840, 1126360, 1413776, 1464268, 1576904, 1767220, 1830335, 1971130, 2252720, 2562469, 2928536, 3153808, 3534440, 3660670, 3942260, 5124938, 5857072, 7068880, 7321340, 7884520, 10249876, 12812345, 14642680, 15769040, 20499752, 25624690, 29285360, 40999504, 51249380, 102498760, 204997520]

約数ペア:

[(1, 204997520), (2, 102498760), (4, 51249380), (5, 40999504), (7, 29285360), (8, 25624690), (10, 20499752), (13, 15769040), (14, 14642680), (16, 12812345), (20, 10249876), (26, 7884520), (28, 7321340), (29, 7068880), (35, 5857072), (40, 5124938), (52, 3942260), (56, 3660670), (58, 3534440), (65, 3153808), (70, 2928536), (80, 2562469), (91, 2252720), (104, 1971130), (112, 1830335), (116, 1767220), (130, 1576904), (140, 1464268), (145, 1413776), (182, 1126360), (203, 1009840), (208, 985565), (232, 883610), (260, 788452), (280, 732134), (290, 706888), (364, 563180), (377, 543760), (406, 504920), (455, 450544), (464, 441805), (520, 394226), (560, 366067), (580, 353444), (728, 281590), (754, 271880), (812, 252460), (910, 225272), (971, 211120), (1015, 201968), (1040, 197113), (1160, 176722), (1456, 140795), (1508, 135940), (1624, 126230), (1820, 112636), (1885, 108752), (1942, 105560), (2030, 100984), (2320, 88361), (2639, 77680), (3016, 67970), (3248, 63115), (3640, 56318), (3770, 54376), (3884, 52780), (4060, 50492), (4855, 42224), (5278, 38840), (6032, 33985), (6797, 30160), (7280, 28159), (7540, 27188), (7768, 26390), (8120, 25246), (9710, 21112), (10556, 19420), (12623, 16240), (13195, 15536), (13594, 15080)]