205421004

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 573640704

約数和(自身を除く): 368219700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 53, 62, 69, 92, 93, 106, 124, 138, 151, 159, 186, 207, 212, 276, 279, 302, 318, 372, 414, 453, 477, 558, 604, 636, 713, 828, 906, 954, 1116, 1219, 1359, 1426, 1643, 1812, 1908, 2139, 2438, 2718, 2852, 3286, 3473, 3657, 4278, 4681, 4876, 4929, 5436, 6417, 6572, 6946, 7314, 8003, 8556, 9362, 9858, 10419, 10971, 12834, 13892, 14043, 14628, 14787, 16006, 18724, 19716, 20838, 21942, 24009, 25668, 28086, 29574, 31257, 32012, 37789, 41676, 42129, 43884, 48018, 56172, 59148, 62514, 72027, 75578, 84258, 96036, 107663, 113367, 125028, 144054, 151156, 168516, 184069, 215326, 226734, 248093, 288108, 322989, 340101, 368138, 430652, 453468, 496186, 552207, 645978, 680202, 736276, 744279, 968967, 992372, 1104414, 1291956, 1360404, 1488558, 1656621, 1937934, 2208828, 2232837, 2977116, 3313242, 3875868, 4465674, 5706139, 6626484, 8931348, 11412278, 17118417, 22824556, 34236834, 51355251, 68473668, 102710502, 205421004]

約数ペア:

[(1, 205421004), (2, 102710502), (3, 68473668), (4, 51355251), (6, 34236834), (9, 22824556), (12, 17118417), (18, 11412278), (23, 8931348), (31, 6626484), (36, 5706139), (46, 4465674), (53, 3875868), (62, 3313242), (69, 2977116), (92, 2232837), (93, 2208828), (106, 1937934), (124, 1656621), (138, 1488558), (151, 1360404), (159, 1291956), (186, 1104414), (207, 992372), (212, 968967), (276, 744279), (279, 736276), (302, 680202), (318, 645978), (372, 552207), (414, 496186), (453, 453468), (477, 430652), (558, 368138), (604, 340101), (636, 322989), (713, 288108), (828, 248093), (906, 226734), (954, 215326), (1116, 184069), (1219, 168516), (1359, 151156), (1426, 144054), (1643, 125028), (1812, 113367), (1908, 107663), (2139, 96036), (2438, 84258), (2718, 75578), (2852, 72027), (3286, 62514), (3473, 59148), (3657, 56172), (4278, 48018), (4681, 43884), (4876, 42129), (4929, 41676), (5436, 37789), (6417, 32012), (6572, 31257), (6946, 29574), (7314, 28086), (8003, 25668), (8556, 24009), (9362, 21942), (9858, 20838), (10419, 19716), (10971, 18724), (12834, 16006), (13892, 14787), (14043, 14628)]