18622129540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^3\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 46769184000

約数和(自身を除く): 28147054460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 239, 245, 301, 430, 478, 490, 602, 860, 956, 980, 1195, 1204, 1505, 1673, 1849, 2107, 2390, 3010, 3346, 3698, 4214, 4780, 6020, 6692, 7396, 8365, 8428, 9245, 10277, 10535, 11711, 12943, 16730, 18490, 20554, 21070, 23422, 25886, 33460, 36980, 41108, 42140, 46844, 51385, 51772, 58555, 64715, 71939, 79507, 90601, 102770, 117110, 129430, 143878, 159014, 181202, 205540, 234220, 258860, 287756, 318028, 359695, 362404, 397535, 441911, 453005, 503573, 556549, 719390, 795070, 883822, 906010, 1007146, 1113098, 1438780, 1590140, 1767644, 1812020, 2014292, 2209555, 2226196, 2517865, 2782745, 3093377, 3895843, 4419110, 5035730, 5565490, 6186754, 7791686, 8838220, 10071460, 11130980, 12373508, 15466885, 15583372, 19002173, 19479215, 21653639, 30933770, 38004346, 38958430, 43307278, 61867540, 76008692, 77916860, 86614556, 95010865, 108268195, 133015211, 190021730, 216536390, 266030422, 380043460, 433072780, 532060844, 665076055, 931106477, 1330152110, 1862212954, 2660304220, 3724425908, 4655532385, 9311064770, 18622129540]

約数ペア:

[(1, 18622129540), (2, 9311064770), (4, 4655532385), (5, 3724425908), (7, 2660304220), (10, 1862212954), (14, 1330152110), (20, 931106477), (28, 665076055), (35, 532060844), (43, 433072780), (49, 380043460), (70, 266030422), (86, 216536390), (98, 190021730), (140, 133015211), (172, 108268195), (196, 95010865), (215, 86614556), (239, 77916860), (245, 76008692), (301, 61867540), (430, 43307278), (478, 38958430), (490, 38004346), (602, 30933770), (860, 21653639), (956, 19479215), (980, 19002173), (1195, 15583372), (1204, 15466885), (1505, 12373508), (1673, 11130980), (1849, 10071460), (2107, 8838220), (2390, 7791686), (3010, 6186754), (3346, 5565490), (3698, 5035730), (4214, 4419110), (4780, 3895843), (6020, 3093377), (6692, 2782745), (7396, 2517865), (8365, 2226196), (8428, 2209555), (9245, 2014292), (10277, 1812020), (10535, 1767644), (11711, 1590140), (12943, 1438780), (16730, 1113098), (18490, 1007146), (20554, 906010), (21070, 883822), (23422, 795070), (25886, 719390), (33460, 556549), (36980, 503573), (41108, 453005), (42140, 441911), (46844, 397535), (51385, 362404), (51772, 359695), (58555, 318028), (64715, 287756), (71939, 258860), (79507, 234220), (90601, 205540), (102770, 181202), (117110, 159014), (129430, 143878)]