206131380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 192

約数和(自身を含む): 748124160

約数和(自身を除く): 541992780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 665, 741, 780, 798, 910, 988, 1092, 1140, 1235, 1330, 1365, 1482, 1596, 1729, 1820, 1987, 1995, 2470, 2660, 2730, 2964, 3458, 3705, 3974, 3990, 4940, 5187, 5460, 5961, 6916, 7410, 7948, 7980, 8645, 9935, 10374, 11922, 13909, 14820, 17290, 19870, 20748, 23844, 25831, 25935, 27818, 29805, 34580, 37753, 39740, 41727, 51662, 51870, 55636, 59610, 69545, 75506, 77493, 83454, 103324, 103740, 113259, 119220, 129155, 139090, 151012, 154986, 166908, 180817, 188765, 208635, 226518, 258310, 264271, 278180, 309972, 361634, 377530, 387465, 417270, 453036, 490789, 516620, 528542, 542451, 566295, 723268, 755060, 774930, 792813, 834540, 904085, 981578, 1057084, 1084902, 1132590, 1321355, 1472367, 1549860, 1585626, 1808170, 1963156, 2169804, 2265180, 2453945, 2642710, 2712255, 2944734, 3171252, 3435523, 3616340, 3964065, 4907890, 5285420, 5424510, 5889468, 6871046, 7361835, 7928130, 9815780, 10306569, 10849020, 13742092, 14723670, 15856260, 17177615, 20613138, 29447340, 34355230, 41226276, 51532845, 68710460, 103065690, 206131380]

約数ペア:

[(1, 206131380), (2, 103065690), (3, 68710460), (4, 51532845), (5, 41226276), (6, 34355230), (7, 29447340), (10, 20613138), (12, 17177615), (13, 15856260), (14, 14723670), (15, 13742092), (19, 10849020), (20, 10306569), (21, 9815780), (26, 7928130), (28, 7361835), (30, 6871046), (35, 5889468), (38, 5424510), (39, 5285420), (42, 4907890), (52, 3964065), (57, 3616340), (60, 3435523), (65, 3171252), (70, 2944734), (76, 2712255), (78, 2642710), (84, 2453945), (91, 2265180), (95, 2169804), (105, 1963156), (114, 1808170), (130, 1585626), (133, 1549860), (140, 1472367), (156, 1321355), (182, 1132590), (190, 1084902), (195, 1057084), (210, 981578), (228, 904085), (247, 834540), (260, 792813), (266, 774930), (273, 755060), (285, 723268), (364, 566295), (380, 542451), (390, 528542), (399, 516620), (420, 490789), (455, 453036), (494, 417270), (532, 387465), (546, 377530), (570, 361634), (665, 309972), (741, 278180), (780, 264271), (798, 258310), (910, 226518), (988, 208635), (1092, 188765), (1140, 180817), (1235, 166908), (1330, 154986), (1365, 151012), (1482, 139090), (1596, 129155), (1729, 119220), (1820, 113259), (1987, 103740), (1995, 103324), (2470, 83454), (2660, 77493), (2730, 75506), (2964, 69545), (3458, 59610), (3705, 55636), (3974, 51870), (3990, 51662), (4940, 41727), (5187, 39740), (5460, 37753), (5961, 34580), (6916, 29805), (7410, 27818), (7948, 25935), (7980, 25831), (8645, 23844), (9935, 20748), (10374, 19870), (11922, 17290), (13909, 14820)]