717869840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 1709057280

約数和(自身を除く): 991187440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 97, 158, 194, 316, 388, 395, 485, 632, 776, 790, 970, 1171, 1264, 1552, 1580, 1940, 2342, 3160, 3880, 4684, 5855, 6320, 7663, 7760, 9368, 11710, 15326, 18736, 23420, 30652, 38315, 46840, 61304, 76630, 92509, 93680, 113587, 122608, 153260, 185018, 227174, 306520, 370036, 454348, 462545, 567935, 613040, 740072, 908696, 925090, 1135870, 1480144, 1817392, 1850180, 2271740, 3700360, 4543480, 7400720, 8973373, 9086960, 17946746, 35893492, 44866865, 71786984, 89733730, 143573968, 179467460, 358934920, 717869840]

約数ペア:

[(1, 717869840), (2, 358934920), (4, 179467460), (5, 143573968), (8, 89733730), (10, 71786984), (16, 44866865), (20, 35893492), (40, 17946746), (79, 9086960), (80, 8973373), (97, 7400720), (158, 4543480), (194, 3700360), (316, 2271740), (388, 1850180), (395, 1817392), (485, 1480144), (632, 1135870), (776, 925090), (790, 908696), (970, 740072), (1171, 613040), (1264, 567935), (1552, 462545), (1580, 454348), (1940, 370036), (2342, 306520), (3160, 227174), (3880, 185018), (4684, 153260), (5855, 122608), (6320, 113587), (7663, 93680), (7760, 92509), (9368, 76630), (11710, 61304), (15326, 46840), (18736, 38315), (23420, 30652)]