138356920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 342180720

約数和(自身を除く): 203823800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 169, 194, 211, 260, 338, 388, 422, 485, 520, 676, 776, 844, 845, 970, 1055, 1261, 1352, 1688, 1690, 1940, 2110, 2522, 2743, 3380, 3880, 4220, 5044, 5486, 6305, 6760, 8440, 10088, 10972, 12610, 13715, 16393, 20467, 21944, 25220, 27430, 32786, 35659, 40934, 50440, 54860, 65572, 71318, 81868, 81965, 102335, 109720, 131144, 142636, 163736, 163930, 178295, 204670, 266071, 285272, 327860, 356590, 409340, 532142, 655720, 713180, 818680, 1064284, 1330355, 1426360, 2128568, 2660710, 3458923, 5321420, 6917846, 10642840, 13835692, 17294615, 27671384, 34589230, 69178460, 138356920]

約数ペア:

[(1, 138356920), (2, 69178460), (4, 34589230), (5, 27671384), (8, 17294615), (10, 13835692), (13, 10642840), (20, 6917846), (26, 5321420), (40, 3458923), (52, 2660710), (65, 2128568), (97, 1426360), (104, 1330355), (130, 1064284), (169, 818680), (194, 713180), (211, 655720), (260, 532142), (338, 409340), (388, 356590), (422, 327860), (485, 285272), (520, 266071), (676, 204670), (776, 178295), (844, 163930), (845, 163736), (970, 142636), (1055, 131144), (1261, 109720), (1352, 102335), (1688, 81965), (1690, 81868), (1940, 71318), (2110, 65572), (2522, 54860), (2743, 50440), (3380, 40934), (3880, 35659), (4220, 32786), (5044, 27430), (5486, 25220), (6305, 21944), (6760, 20467), (8440, 16393), (10088, 13715), (10972, 12610)]