51149140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 136745280

約数和(自身を除く): 85596140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 49, 67, 70, 76, 82, 95, 98, 133, 134, 140, 164, 190, 196, 205, 245, 266, 268, 287, 335, 380, 410, 469, 490, 532, 574, 665, 670, 779, 820, 931, 938, 980, 1148, 1273, 1330, 1340, 1435, 1558, 1862, 1876, 2009, 2345, 2546, 2660, 2747, 2870, 3116, 3283, 3724, 3895, 4018, 4655, 4690, 5092, 5453, 5494, 5740, 6365, 6566, 7790, 8036, 8911, 9310, 9380, 10045, 10906, 10988, 12730, 13132, 13735, 15580, 16415, 17822, 18620, 19229, 20090, 21812, 25460, 27265, 27470, 32830, 35644, 38171, 38458, 40180, 44555, 52193, 54530, 54940, 62377, 65660, 76342, 76916, 89110, 96145, 104386, 109060, 124754, 134603, 152684, 178220, 190855, 192290, 208772, 249508, 260965, 269206, 311885, 365351, 381710, 384580, 521930, 538412, 623770, 673015, 730702, 763420, 1043860, 1247540, 1346030, 1461404, 1826755, 2557457, 2692060, 3653510, 5114914, 7307020, 10229828, 12787285, 25574570, 51149140]

約数ペア:

[(1, 51149140), (2, 25574570), (4, 12787285), (5, 10229828), (7, 7307020), (10, 5114914), (14, 3653510), (19, 2692060), (20, 2557457), (28, 1826755), (35, 1461404), (38, 1346030), (41, 1247540), (49, 1043860), (67, 763420), (70, 730702), (76, 673015), (82, 623770), (95, 538412), (98, 521930), (133, 384580), (134, 381710), (140, 365351), (164, 311885), (190, 269206), (196, 260965), (205, 249508), (245, 208772), (266, 192290), (268, 190855), (287, 178220), (335, 152684), (380, 134603), (410, 124754), (469, 109060), (490, 104386), (532, 96145), (574, 89110), (665, 76916), (670, 76342), (779, 65660), (820, 62377), (931, 54940), (938, 54530), (980, 52193), (1148, 44555), (1273, 40180), (1330, 38458), (1340, 38171), (1435, 35644), (1558, 32830), (1862, 27470), (1876, 27265), (2009, 25460), (2345, 21812), (2546, 20090), (2660, 19229), (2747, 18620), (2870, 17822), (3116, 16415), (3283, 15580), (3724, 13735), (3895, 13132), (4018, 12730), (4655, 10988), (4690, 10906), (5092, 10045), (5453, 9380), (5494, 9310), (5740, 8911), (6365, 8036), (6566, 7790)]