688353890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 1546186752

約数和(自身を除く): 857832862

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 61, 70, 86, 115, 122, 161, 163, 215, 230, 301, 305, 322, 326, 427, 430, 602, 610, 805, 815, 854, 989, 1141, 1403, 1505, 1610, 1630, 1978, 2135, 2282, 2623, 2806, 3010, 3749, 4270, 4945, 5246, 5705, 6923, 7009, 7015, 7498, 9821, 9890, 9943, 11410, 13115, 13846, 14018, 14030, 18361, 18745, 19642, 19886, 26230, 26243, 34615, 35045, 36722, 37490, 49063, 49105, 49715, 52486, 60329, 69230, 69601, 70090, 91805, 98126, 98210, 99430, 120658, 131215, 139202, 161207, 183610, 228689, 245315, 262430, 301645, 322414, 348005, 422303, 427549, 457378, 490630, 603290, 696010, 806035, 844606, 855098, 1128449, 1143445, 1600823, 1612070, 2111515, 2137745, 2256898, 2286890, 2992843, 3201646, 4223030, 4275490, 5642245, 5985686, 8004115, 9833627, 11284490, 14964215, 16008230, 19667254, 29928430, 49168135, 68835389, 98336270, 137670778, 344176945, 688353890]

約数ペア:

[(1, 688353890), (2, 344176945), (5, 137670778), (7, 98336270), (10, 68835389), (14, 49168135), (23, 29928430), (35, 19667254), (43, 16008230), (46, 14964215), (61, 11284490), (70, 9833627), (86, 8004115), (115, 5985686), (122, 5642245), (161, 4275490), (163, 4223030), (215, 3201646), (230, 2992843), (301, 2286890), (305, 2256898), (322, 2137745), (326, 2111515), (427, 1612070), (430, 1600823), (602, 1143445), (610, 1128449), (805, 855098), (815, 844606), (854, 806035), (989, 696010), (1141, 603290), (1403, 490630), (1505, 457378), (1610, 427549), (1630, 422303), (1978, 348005), (2135, 322414), (2282, 301645), (2623, 262430), (2806, 245315), (3010, 228689), (3749, 183610), (4270, 161207), (4945, 139202), (5246, 131215), (5705, 120658), (6923, 99430), (7009, 98210), (7015, 98126), (7498, 91805), (9821, 70090), (9890, 69601), (9943, 69230), (11410, 60329), (13115, 52486), (13846, 49715), (14018, 49105), (14030, 49063), (18361, 37490), (18745, 36722), (19642, 35045), (19886, 34615), (26230, 26243)]