1392319775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 2216524800

約数和(自身を除く): 824205025

約数列:

[1, 5, 7, 11, 25, 35, 47, 55, 77, 121, 175, 235, 275, 329, 385, 517, 605, 847, 1175, 1399, 1645, 1925, 2585, 3025, 3619, 4235, 5687, 6995, 8225, 9793, 12925, 15389, 18095, 21175, 28435, 34975, 39809, 48965, 65753, 76945, 90475, 107723, 142175, 169279, 199045, 244825, 328765, 384725, 460271, 538615, 723283, 846395, 995225, 1184953, 1643825, 2301355, 2693075, 3616415, 4231975, 5062981, 5924765, 7956113, 11506775, 18082075, 25314905, 29623825, 39780565, 55692791, 126574525, 198902825, 278463955, 1392319775]

約数ペア:

[(1, 1392319775), (5, 278463955), (7, 198902825), (11, 126574525), (25, 55692791), (35, 39780565), (47, 29623825), (55, 25314905), (77, 18082075), (121, 11506775), (175, 7956113), (235, 5924765), (275, 5062981), (329, 4231975), (385, 3616415), (517, 2693075), (605, 2301355), (847, 1643825), (1175, 1184953), (1399, 995225), (1645, 846395), (1925, 723283), (2585, 538615), (3025, 460271), (3619, 384725), (4235, 328765), (5687, 244825), (6995, 199045), (8225, 169279), (9793, 142175), (12925, 107723), (15389, 90475), (18095, 76945), (21175, 65753), (28435, 48965), (34975, 39809)]