420100716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1284

約数の個数: 144

約数和(自身を含む): 1240028160

約数和(自身を除く): 819927444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 651, 798, 868, 931, 1178, 1213, 1302, 1519, 1596, 1767, 1862, 2356, 2426, 2604, 2793, 3038, 3534, 3639, 3724, 4123, 4557, 4852, 5586, 6076, 7068, 7278, 8246, 8491, 9114, 11172, 12369, 14556, 16492, 16982, 18228, 23047, 24738, 25473, 28861, 33964, 37603, 46094, 49476, 50946, 57722, 59437, 69141, 75206, 86583, 92188, 101892, 112809, 115444, 118874, 138282, 150412, 161329, 173166, 178311, 225618, 237748, 263221, 276564, 322658, 346332, 356622, 451236, 483987, 526442, 645316, 713244, 714457, 789663, 967974, 1052884, 1129303, 1428914, 1579326, 1842547, 1935948, 2143371, 2258606, 2857828, 3158652, 3387909, 3685094, 4286742, 4517212, 5001199, 5527641, 6775818, 7370188, 8573484, 10002398, 11055282, 13551636, 15003597, 20004796, 22110564, 30007194, 35008393, 60014388, 70016786, 105025179, 140033572, 210050358, 420100716]

約数ペア:

[(1, 420100716), (2, 210050358), (3, 140033572), (4, 105025179), (6, 70016786), (7, 60014388), (12, 35008393), (14, 30007194), (19, 22110564), (21, 20004796), (28, 15003597), (31, 13551636), (38, 11055282), (42, 10002398), (49, 8573484), (57, 7370188), (62, 6775818), (76, 5527641), (84, 5001199), (93, 4517212), (98, 4286742), (114, 3685094), (124, 3387909), (133, 3158652), (147, 2857828), (186, 2258606), (196, 2143371), (217, 1935948), (228, 1842547), (266, 1579326), (294, 1428914), (372, 1129303), (399, 1052884), (434, 967974), (532, 789663), (588, 714457), (589, 713244), (651, 645316), (798, 526442), (868, 483987), (931, 451236), (1178, 356622), (1213, 346332), (1302, 322658), (1519, 276564), (1596, 263221), (1767, 237748), (1862, 225618), (2356, 178311), (2426, 173166), (2604, 161329), (2793, 150412), (3038, 138282), (3534, 118874), (3639, 115444), (3724, 112809), (4123, 101892), (4557, 92188), (4852, 86583), (5586, 75206), (6076, 69141), (7068, 59437), (7278, 57722), (8246, 50946), (8491, 49476), (9114, 46094), (11172, 37603), (12369, 33964), (14556, 28861), (16492, 25473), (16982, 24738), (18228, 23047)]