201969520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 502655328

約数和(自身を除く): 300685808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 1360, 1531, 1552, 1649, 1940, 3062, 3298, 3880, 6124, 6596, 7655, 7760, 8245, 12248, 13192, 15310, 16490, 24496, 26027, 26384, 30620, 32980, 52054, 61240, 65960, 104108, 122480, 130135, 131920, 148507, 208216, 260270, 297014, 416432, 520540, 594028, 742535, 1041080, 1188056, 1485070, 2082160, 2376112, 2524619, 2970140, 5049238, 5940280, 10098476, 11880560, 12623095, 20196952, 25246190, 40393904, 50492380, 100984760, 201969520]

約数ペア:

[(1, 201969520), (2, 100984760), (4, 50492380), (5, 40393904), (8, 25246190), (10, 20196952), (16, 12623095), (17, 11880560), (20, 10098476), (34, 5940280), (40, 5049238), (68, 2970140), (80, 2524619), (85, 2376112), (97, 2082160), (136, 1485070), (170, 1188056), (194, 1041080), (272, 742535), (340, 594028), (388, 520540), (485, 416432), (680, 297014), (776, 260270), (970, 208216), (1360, 148507), (1531, 131920), (1552, 130135), (1649, 122480), (1940, 104108), (3062, 65960), (3298, 61240), (3880, 52054), (6124, 32980), (6596, 30620), (7655, 26384), (7760, 26027), (8245, 24496), (12248, 16490), (13192, 15310)]