318420512240

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{57149}}^1$

素因数の和:57690

約数の個数: 80

約数和(自身を含む): 745963862400

約数和(自身を除く): 427543350160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 271, 514, 542, 1028, 1084, 1285, 1355, 2056, 2168, 2570, 2710, 4112, 4336, 5140, 5420, 10280, 10840, 20560, 21680, 57149, 69647, 114298, 139294, 228596, 278588, 285745, 348235, 457192, 557176, 571490, 696470, 914384, 1114352, 1142980, 1392940, 2285960, 2785880, 4571920, 5571760, 14687293, 15487379, 29374586, 30974758, 58749172, 61949516, 73436465, 77436895, 117498344, 123899032, 146872930, 154873790, 234996688, 247798064, 293745860, 309747580, 587491720, 619495160, 1174983440, 1238990320, 3980256403, 7960512806, 15921025612, 19901282015, 31842051224, 39802564030, 63684102448, 79605128060, 159210256120, 318420512240]

約数ペア:

[(1, 318420512240), (2, 159210256120), (4, 79605128060), (5, 63684102448), (8, 39802564030), (10, 31842051224), (16, 19901282015), (20, 15921025612), (40, 7960512806), (80, 3980256403), (257, 1238990320), (271, 1174983440), (514, 619495160), (542, 587491720), (1028, 309747580), (1084, 293745860), (1285, 247798064), (1355, 234996688), (2056, 154873790), (2168, 146872930), (2570, 123899032), (2710, 117498344), (4112, 77436895), (4336, 73436465), (5140, 61949516), (5420, 58749172), (10280, 30974758), (10840, 29374586), (20560, 15487379), (21680, 14687293), (57149, 5571760), (69647, 4571920), (114298, 2785880), (139294, 2285960), (228596, 1392940), (278588, 1142980), (285745, 1114352), (348235, 914384), (457192, 696470), (557176, 571490)]