340854580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2401

約数の個数: 72

約数和(自身を含む): 800026920

約数和(自身を除く): 459172340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 605, 610, 671, 1210, 1220, 1342, 2309, 2420, 2684, 3355, 4618, 6710, 7381, 9236, 11545, 13420, 14762, 23090, 25399, 29524, 36905, 46180, 50798, 73810, 101596, 126995, 140849, 147620, 253990, 279389, 281698, 507980, 558778, 563396, 704245, 1117556, 1396945, 1408490, 1549339, 2793890, 2816980, 3098678, 5587780, 6197356, 7746695, 15493390, 17042729, 30986780, 34085458, 68170916, 85213645, 170427290, 340854580]

約数ペア:

[(1, 340854580), (2, 170427290), (4, 85213645), (5, 68170916), (10, 34085458), (11, 30986780), (20, 17042729), (22, 15493390), (44, 7746695), (55, 6197356), (61, 5587780), (110, 3098678), (121, 2816980), (122, 2793890), (220, 1549339), (242, 1408490), (244, 1396945), (305, 1117556), (484, 704245), (605, 563396), (610, 558778), (671, 507980), (1210, 281698), (1220, 279389), (1342, 253990), (2309, 147620), (2420, 140849), (2684, 126995), (3355, 101596), (4618, 73810), (6710, 50798), (7381, 46180), (9236, 36905), (11545, 29524), (13420, 25399), (14762, 23090)]