199196920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 492782400

約数和(自身を除く): 293585480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 169, 260, 316, 338, 373, 395, 520, 632, 676, 746, 790, 845, 1027, 1352, 1492, 1580, 1690, 1865, 2054, 2984, 3160, 3380, 3730, 4108, 4849, 5135, 6760, 7460, 8216, 9698, 10270, 13351, 14920, 19396, 20540, 24245, 26702, 29467, 38792, 41080, 48490, 53404, 58934, 63037, 66755, 96980, 106808, 117868, 126074, 133510, 147335, 193960, 235736, 252148, 267020, 294670, 315185, 383071, 504296, 534040, 589340, 630370, 766142, 1178680, 1260740, 1532284, 1915355, 2521480, 3064568, 3830710, 4979923, 7661420, 9959846, 15322840, 19919692, 24899615, 39839384, 49799230, 99598460, 199196920]

約数ペア:

[(1, 199196920), (2, 99598460), (4, 49799230), (5, 39839384), (8, 24899615), (10, 19919692), (13, 15322840), (20, 9959846), (26, 7661420), (40, 4979923), (52, 3830710), (65, 3064568), (79, 2521480), (104, 1915355), (130, 1532284), (158, 1260740), (169, 1178680), (260, 766142), (316, 630370), (338, 589340), (373, 534040), (395, 504296), (520, 383071), (632, 315185), (676, 294670), (746, 267020), (790, 252148), (845, 235736), (1027, 193960), (1352, 147335), (1492, 133510), (1580, 126074), (1690, 117868), (1865, 106808), (2054, 96980), (2984, 66755), (3160, 63037), (3380, 58934), (3730, 53404), (4108, 48490), (4849, 41080), (5135, 38792), (6760, 29467), (7460, 26702), (8216, 24245), (9698, 20540), (10270, 19396), (13351, 14920)]