391258778980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1\times {\mathrm{229}}^1\times {\mathrm{967}}^1$

素因数の和:1418

約数の個数: 144

約数和(自身を含む): 868734155520

約数和(自身を除く): 477475376540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 229, 230, 334, 458, 460, 529, 668, 835, 916, 967, 1058, 1145, 1670, 1934, 2116, 2290, 2645, 3340, 3841, 3868, 4580, 4835, 5267, 5290, 7682, 9670, 10534, 10580, 15364, 19205, 19340, 21068, 22241, 26335, 38243, 38410, 44482, 52670, 76486, 76820, 88343, 88964, 105340, 111205, 121141, 152972, 161489, 176686, 191215, 221443, 222410, 242282, 322978, 353372, 382430, 441715, 442886, 444820, 484564, 511543, 605705, 645956, 764860, 807445, 879589, 883430, 885772, 1023086, 1107215, 1211410, 1614890, 1759178, 1766860, 2046172, 2214430, 2422820, 2557715, 3229780, 3518356, 3714247, 4397945, 4428860, 5093189, 5115430, 7428494, 8795890, 10186378, 10230860, 14856988, 17591780, 18571235, 20230547, 20372756, 25465945, 36980981, 37142470, 40461094, 50931890, 73961962, 74284940, 80922188, 85427681, 101152735, 101863780, 117143347, 147923924, 170855362, 184904905, 202305470, 234286694, 341710724, 369809810, 404610940, 427138405, 468573388, 585716735, 739619620, 850562563, 854276810, 1171433470, 1701125126, 1708553620, 2342866940, 3402250252, 4252812815, 8505625630, 17011251260, 19562938949, 39125877898, 78251755796, 97814694745, 195629389490, 391258778980]

約数ペア:

[(1, 391258778980), (2, 195629389490), (4, 97814694745), (5, 78251755796), (10, 39125877898), (20, 19562938949), (23, 17011251260), (46, 8505625630), (92, 4252812815), (115, 3402250252), (167, 2342866940), (229, 1708553620), (230, 1701125126), (334, 1171433470), (458, 854276810), (460, 850562563), (529, 739619620), (668, 585716735), (835, 468573388), (916, 427138405), (967, 404610940), (1058, 369809810), (1145, 341710724), (1670, 234286694), (1934, 202305470), (2116, 184904905), (2290, 170855362), (2645, 147923924), (3340, 117143347), (3841, 101863780), (3868, 101152735), (4580, 85427681), (4835, 80922188), (5267, 74284940), (5290, 73961962), (7682, 50931890), (9670, 40461094), (10534, 37142470), (10580, 36980981), (15364, 25465945), (19205, 20372756), (19340, 20230547), (21068, 18571235), (22241, 17591780), (26335, 14856988), (38243, 10230860), (38410, 10186378), (44482, 8795890), (52670, 7428494), (76486, 5115430), (76820, 5093189), (88343, 4428860), (88964, 4397945), (105340, 3714247), (111205, 3518356), (121141, 3229780), (152972, 2557715), (161489, 2422820), (176686, 2214430), (191215, 2046172), (221443, 1766860), (222410, 1759178), (242282, 1614890), (322978, 1211410), (353372, 1107215), (382430, 1023086), (441715, 885772), (442886, 883430), (444820, 879589), (484564, 807445), (511543, 764860), (605705, 645956)]