131378279620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{10321}}^1$

素因数の和:10794

約数の個数: 144

約数和(自身を含む): 332114065920

約数和(自身を除く): 200735786300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 419, 434, 490, 620, 838, 868, 980, 1085, 1519, 1676, 2095, 2170, 2933, 3038, 4190, 4340, 5866, 6076, 7595, 8380, 10321, 11732, 12989, 14665, 15190, 20531, 20642, 25978, 29330, 30380, 41062, 41284, 51605, 51956, 58660, 64945, 72247, 82124, 90923, 102655, 103210, 129890, 144494, 181846, 205310, 206420, 259780, 288988, 319951, 361235, 363692, 410620, 454615, 505729, 636461, 639902, 722470, 909230, 1011458, 1272922, 1279804, 1444940, 1599755, 1818460, 2022916, 2239657, 2528645, 2545844, 3182305, 3199510, 4324499, 4479314, 5057290, 6364610, 6399020, 8648998, 8958628, 10114580, 11198285, 12729220, 15677599, 17297996, 21622495, 22396570, 30271493, 31355198, 43244990, 44793140, 60542986, 62710396, 78387995, 86489980, 121085972, 134059469, 151357465, 156775990, 211900451, 268118938, 302714930, 313551980, 423800902, 536237876, 605429860, 670297345, 847601804, 938416283, 1059502255, 1340594690, 1876832566, 2119004510, 2681189380, 3753665132, 4238009020, 4692081415, 6568913981, 9384162830, 13137827962, 18768325660, 26275655924, 32844569905, 65689139810, 131378279620]

約数ペア:

[(1, 131378279620), (2, 65689139810), (4, 32844569905), (5, 26275655924), (7, 18768325660), (10, 13137827962), (14, 9384162830), (20, 6568913981), (28, 4692081415), (31, 4238009020), (35, 3753665132), (49, 2681189380), (62, 2119004510), (70, 1876832566), (98, 1340594690), (124, 1059502255), (140, 938416283), (155, 847601804), (196, 670297345), (217, 605429860), (245, 536237876), (310, 423800902), (419, 313551980), (434, 302714930), (490, 268118938), (620, 211900451), (838, 156775990), (868, 151357465), (980, 134059469), (1085, 121085972), (1519, 86489980), (1676, 78387995), (2095, 62710396), (2170, 60542986), (2933, 44793140), (3038, 43244990), (4190, 31355198), (4340, 30271493), (5866, 22396570), (6076, 21622495), (7595, 17297996), (8380, 15677599), (10321, 12729220), (11732, 11198285), (12989, 10114580), (14665, 8958628), (15190, 8648998), (20531, 6399020), (20642, 6364610), (25978, 5057290), (29330, 4479314), (30380, 4324499), (41062, 3199510), (41284, 3182305), (51605, 2545844), (51956, 2528645), (58660, 2239657), (64945, 2022916), (72247, 1818460), (82124, 1599755), (90923, 1444940), (102655, 1279804), (103210, 1272922), (129890, 1011458), (144494, 909230), (181846, 722470), (205310, 639902), (206420, 636461), (259780, 505729), (288988, 454615), (319951, 410620), (361235, 363692)]