251366724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1470

約数の個数: 144

約数和(自身を含む): 782745600

約数和(自身を除く): 531378876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 31, 36, 42, 46, 62, 63, 69, 84, 92, 93, 124, 126, 138, 161, 186, 207, 217, 252, 276, 279, 322, 372, 414, 434, 483, 558, 644, 651, 713, 828, 868, 966, 1116, 1302, 1399, 1426, 1449, 1932, 1953, 2139, 2604, 2798, 2852, 2898, 3906, 4197, 4278, 4991, 5596, 5796, 6417, 7812, 8394, 8556, 9793, 9982, 12591, 12834, 14973, 16788, 19586, 19964, 25182, 25668, 29379, 29946, 32177, 39172, 43369, 44919, 50364, 58758, 59892, 64354, 86738, 88137, 89838, 96531, 117516, 128708, 130107, 173476, 176274, 179676, 193062, 225239, 260214, 289593, 303583, 352548, 386124, 390321, 450478, 520428, 579186, 607166, 675717, 780642, 900956, 910749, 997487, 1158372, 1214332, 1351434, 1561284, 1821498, 1994974, 2027151, 2702868, 2732247, 2992461, 3642996, 3989948, 4054302, 5464494, 5984922, 6982409, 8108604, 8977383, 10928988, 11969844, 13964818, 17954766, 20947227, 27929636, 35909532, 41894454, 62841681, 83788908, 125683362, 251366724]

約数ペア:

[(1, 251366724), (2, 125683362), (3, 83788908), (4, 62841681), (6, 41894454), (7, 35909532), (9, 27929636), (12, 20947227), (14, 17954766), (18, 13964818), (21, 11969844), (23, 10928988), (28, 8977383), (31, 8108604), (36, 6982409), (42, 5984922), (46, 5464494), (62, 4054302), (63, 3989948), (69, 3642996), (84, 2992461), (92, 2732247), (93, 2702868), (124, 2027151), (126, 1994974), (138, 1821498), (161, 1561284), (186, 1351434), (207, 1214332), (217, 1158372), (252, 997487), (276, 910749), (279, 900956), (322, 780642), (372, 675717), (414, 607166), (434, 579186), (483, 520428), (558, 450478), (644, 390321), (651, 386124), (713, 352548), (828, 303583), (868, 289593), (966, 260214), (1116, 225239), (1302, 193062), (1399, 179676), (1426, 176274), (1449, 173476), (1932, 130107), (1953, 128708), (2139, 117516), (2604, 96531), (2798, 89838), (2852, 88137), (2898, 86738), (3906, 64354), (4197, 59892), (4278, 58758), (4991, 50364), (5596, 44919), (5796, 43369), (6417, 39172), (7812, 32177), (8394, 29946), (8556, 29379), (9793, 25668), (9982, 25182), (12591, 19964), (12834, 19586), (14973, 16788)]