204626940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 683289600

約数和(自身を除く): 478662660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 163, 183, 196, 210, 244, 245, 294, 305, 326, 343, 366, 420, 427, 489, 490, 588, 610, 652, 686, 732, 735, 815, 854, 915, 978, 980, 1029, 1141, 1220, 1281, 1372, 1470, 1630, 1708, 1715, 1830, 1956, 2058, 2135, 2282, 2445, 2562, 2940, 2989, 3260, 3423, 3430, 3660, 4116, 4270, 4564, 4890, 5124, 5145, 5705, 5978, 6405, 6846, 6860, 7987, 8540, 8967, 9780, 9943, 10290, 11410, 11956, 12810, 13692, 14945, 15974, 17115, 17934, 19886, 20580, 20923, 22820, 23961, 25620, 29829, 29890, 31948, 34230, 35868, 39772, 39935, 41846, 44835, 47922, 49715, 55909, 59658, 59780, 62769, 68460, 69601, 79870, 83692, 89670, 95844, 99430, 104615, 111818, 119316, 119805, 125538, 139202, 149145, 159740, 167727, 179340, 198860, 208803, 209230, 223636, 239610, 251076, 278404, 279545, 298290, 313845, 335454, 348005, 417606, 418460, 479220, 487207, 559090, 596580, 627690, 670908, 696010, 835212, 838635, 974414, 1044015, 1118180, 1255380, 1392020, 1461621, 1677270, 1948828, 2088030, 2436035, 2923242, 3354540, 3410449, 4176060, 4872070, 5846484, 6820898, 7308105, 9744140, 10231347, 13641796, 14616210, 17052245, 20462694, 29232420, 34104490, 40925388, 51156735, 68208980, 102313470, 204626940]

約数ペア:

[(1, 204626940), (2, 102313470), (3, 68208980), (4, 51156735), (5, 40925388), (6, 34104490), (7, 29232420), (10, 20462694), (12, 17052245), (14, 14616210), (15, 13641796), (20, 10231347), (21, 9744140), (28, 7308105), (30, 6820898), (35, 5846484), (42, 4872070), (49, 4176060), (60, 3410449), (61, 3354540), (70, 2923242), (84, 2436035), (98, 2088030), (105, 1948828), (122, 1677270), (140, 1461621), (147, 1392020), (163, 1255380), (183, 1118180), (196, 1044015), (210, 974414), (244, 838635), (245, 835212), (294, 696010), (305, 670908), (326, 627690), (343, 596580), (366, 559090), (420, 487207), (427, 479220), (489, 418460), (490, 417606), (588, 348005), (610, 335454), (652, 313845), (686, 298290), (732, 279545), (735, 278404), (815, 251076), (854, 239610), (915, 223636), (978, 209230), (980, 208803), (1029, 198860), (1141, 179340), (1220, 167727), (1281, 159740), (1372, 149145), (1470, 139202), (1630, 125538), (1708, 119805), (1715, 119316), (1830, 111818), (1956, 104615), (2058, 99430), (2135, 95844), (2282, 89670), (2445, 83692), (2562, 79870), (2940, 69601), (2989, 68460), (3260, 62769), (3423, 59780), (3430, 59658), (3660, 55909), (4116, 49715), (4270, 47922), (4564, 44835), (4890, 41846), (5124, 39935), (5145, 39772), (5705, 35868), (5978, 34230), (6405, 31948), (6846, 29890), (6860, 29829), (7987, 25620), (8540, 23961), (8967, 22820), (9780, 20923), (9943, 20580), (10290, 19886), (11410, 17934), (11956, 17115), (12810, 15974), (13692, 14945)]