1187777420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 2717245440

約数和(自身を除く): 1529468020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 239, 311, 340, 470, 478, 622, 799, 940, 956, 1195, 1244, 1555, 1598, 2390, 3110, 3196, 3995, 4063, 4780, 5287, 6220, 7990, 8126, 10574, 11233, 14617, 15980, 16252, 20315, 21148, 22466, 26435, 29234, 40630, 44932, 52870, 56165, 58468, 73085, 74329, 81260, 105740, 112330, 146170, 148658, 190961, 224660, 248489, 292340, 297316, 371645, 381922, 496978, 743290, 763844, 954805, 993956, 1242445, 1263593, 1486580, 1909610, 2484890, 2527186, 3493463, 3819220, 4969780, 5054372, 6317965, 6986926, 12635930, 13973852, 17467315, 25271860, 34934630, 59388871, 69869260, 118777742, 237555484, 296944355, 593888710, 1187777420]

約数ペア:

[(1, 1187777420), (2, 593888710), (4, 296944355), (5, 237555484), (10, 118777742), (17, 69869260), (20, 59388871), (34, 34934630), (47, 25271860), (68, 17467315), (85, 13973852), (94, 12635930), (170, 6986926), (188, 6317965), (235, 5054372), (239, 4969780), (311, 3819220), (340, 3493463), (470, 2527186), (478, 2484890), (622, 1909610), (799, 1486580), (940, 1263593), (956, 1242445), (1195, 993956), (1244, 954805), (1555, 763844), (1598, 743290), (2390, 496978), (3110, 381922), (3196, 371645), (3995, 297316), (4063, 292340), (4780, 248489), (5287, 224660), (6220, 190961), (7990, 148658), (8126, 146170), (10574, 112330), (11233, 105740), (14617, 81260), (15980, 74329), (16252, 73085), (20315, 58468), (21148, 56165), (22466, 52870), (26435, 44932), (29234, 40630)]