400430472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2251

約数の個数: 128

約数和(自身を含む): 1171968000

約数和(自身を除く): 771537528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 228, 247, 248, 312, 372, 403, 456, 494, 589, 741, 744, 806, 988, 1178, 1209, 1482, 1612, 1767, 1976, 2179, 2356, 2418, 2964, 3224, 3534, 4358, 4712, 4836, 5928, 6537, 7068, 7657, 8716, 9672, 13074, 14136, 15314, 17432, 22971, 26148, 28327, 30628, 41401, 45942, 52296, 56654, 61256, 67549, 82802, 84981, 91884, 113308, 124203, 135098, 165604, 169962, 183768, 202647, 226616, 248406, 270196, 331208, 339924, 405294, 496812, 538213, 540392, 679848, 810588, 878137, 993624, 1076426, 1283431, 1614639, 1621176, 1756274, 2152852, 2566862, 2634411, 3229278, 3512548, 3850293, 4305704, 5133724, 5268822, 6458556, 7025096, 7700586, 10267448, 10537644, 12917112, 15401172, 16684603, 21075288, 30802344, 33369206, 50053809, 66738412, 100107618, 133476824, 200215236, 400430472]

約数ペア:

[(1, 400430472), (2, 200215236), (3, 133476824), (4, 100107618), (6, 66738412), (8, 50053809), (12, 33369206), (13, 30802344), (19, 21075288), (24, 16684603), (26, 15401172), (31, 12917112), (38, 10537644), (39, 10267448), (52, 7700586), (57, 7025096), (62, 6458556), (76, 5268822), (78, 5133724), (93, 4305704), (104, 3850293), (114, 3512548), (124, 3229278), (152, 2634411), (156, 2566862), (186, 2152852), (228, 1756274), (247, 1621176), (248, 1614639), (312, 1283431), (372, 1076426), (403, 993624), (456, 878137), (494, 810588), (589, 679848), (741, 540392), (744, 538213), (806, 496812), (988, 405294), (1178, 339924), (1209, 331208), (1482, 270196), (1612, 248406), (1767, 226616), (1976, 202647), (2179, 183768), (2356, 169962), (2418, 165604), (2964, 135098), (3224, 124203), (3534, 113308), (4358, 91884), (4712, 84981), (4836, 82802), (5928, 67549), (6537, 61256), (7068, 56654), (7657, 52296), (8716, 45942), (9672, 41401), (13074, 30628), (14136, 28327), (15314, 26148), (17432, 22971)]