129788620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 324656640

約数和(自身を除く): 194868020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 47, 52, 65, 76, 86, 94, 95, 130, 169, 172, 188, 190, 215, 235, 247, 260, 338, 380, 430, 470, 494, 559, 611, 676, 817, 845, 860, 893, 940, 988, 1118, 1222, 1235, 1634, 1690, 1786, 2021, 2236, 2444, 2470, 2795, 3055, 3211, 3268, 3380, 3572, 4042, 4085, 4465, 4940, 5590, 6110, 6422, 7267, 7943, 8084, 8170, 8930, 10105, 10621, 11180, 11609, 12220, 12844, 14534, 15886, 16055, 16340, 17860, 20210, 21242, 23218, 26273, 29068, 31772, 32110, 36335, 38399, 39715, 40420, 42484, 46436, 52546, 53105, 58045, 64220, 72670, 76798, 79430, 105092, 106210, 116090, 131365, 138073, 145340, 150917, 153596, 158860, 191995, 212420, 232180, 262730, 276146, 301834, 341549, 383990, 499187, 525460, 552292, 603668, 683098, 690365, 754585, 767980, 998374, 1366196, 1380730, 1509170, 1707745, 1996748, 2495935, 2761460, 3018340, 3415490, 4991870, 6489431, 6830980, 9983740, 12978862, 25957724, 32447155, 64894310, 129788620]

約数ペア:

[(1, 129788620), (2, 64894310), (4, 32447155), (5, 25957724), (10, 12978862), (13, 9983740), (19, 6830980), (20, 6489431), (26, 4991870), (38, 3415490), (43, 3018340), (47, 2761460), (52, 2495935), (65, 1996748), (76, 1707745), (86, 1509170), (94, 1380730), (95, 1366196), (130, 998374), (169, 767980), (172, 754585), (188, 690365), (190, 683098), (215, 603668), (235, 552292), (247, 525460), (260, 499187), (338, 383990), (380, 341549), (430, 301834), (470, 276146), (494, 262730), (559, 232180), (611, 212420), (676, 191995), (817, 158860), (845, 153596), (860, 150917), (893, 145340), (940, 138073), (988, 131365), (1118, 116090), (1222, 106210), (1235, 105092), (1634, 79430), (1690, 76798), (1786, 72670), (2021, 64220), (2236, 58045), (2444, 53105), (2470, 52546), (2795, 46436), (3055, 42484), (3211, 40420), (3268, 39715), (3380, 38399), (3572, 36335), (4042, 32110), (4085, 31772), (4465, 29068), (4940, 26273), (5590, 23218), (6110, 21242), (6422, 20210), (7267, 17860), (7943, 16340), (8084, 16055), (8170, 15886), (8930, 14534), (10105, 12844), (10621, 12220), (11180, 11609)]