278794275860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1\times {\mathrm{11113}}^1$

素因数の和:11865

約数の個数: 96

約数和(自身を含む): 623105965440

約数和(自身を除く): 344311689580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 617, 1070, 1234, 2033, 2140, 2468, 3085, 4066, 6170, 8132, 10165, 11113, 11723, 12340, 20330, 22226, 23446, 40660, 44452, 46892, 55565, 58615, 66019, 111130, 117230, 132038, 211147, 222260, 234460, 264076, 330095, 422294, 660190, 844588, 1055735, 1189091, 1254361, 1320380, 2111470, 2378182, 2508722, 4222940, 4756364, 5017444, 5945455, 6271805, 6856721, 11890910, 12543610, 13713442, 22592729, 23781820, 25087220, 27426884, 34283605, 45185458, 68567210, 90370916, 112963645, 130277699, 137134420, 225927290, 260555398, 451854580, 521110796, 651388495, 733669147, 1302776990, 1467338294, 2605553980, 2934676588, 3668345735, 7336691470, 13939713793, 14673382940, 27879427586, 55758855172, 69698568965, 139397137930, 278794275860]

約数ペア:

[(1, 278794275860), (2, 139397137930), (4, 69698568965), (5, 55758855172), (10, 27879427586), (19, 14673382940), (20, 13939713793), (38, 7336691470), (76, 3668345735), (95, 2934676588), (107, 2605553980), (190, 1467338294), (214, 1302776990), (380, 733669147), (428, 651388495), (535, 521110796), (617, 451854580), (1070, 260555398), (1234, 225927290), (2033, 137134420), (2140, 130277699), (2468, 112963645), (3085, 90370916), (4066, 68567210), (6170, 45185458), (8132, 34283605), (10165, 27426884), (11113, 25087220), (11723, 23781820), (12340, 22592729), (20330, 13713442), (22226, 12543610), (23446, 11890910), (40660, 6856721), (44452, 6271805), (46892, 5945455), (55565, 5017444), (58615, 4756364), (66019, 4222940), (111130, 2508722), (117230, 2378182), (132038, 2111470), (211147, 1320380), (222260, 1254361), (234460, 1189091), (264076, 1055735), (330095, 844588), (422294, 660190)]