204519165

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 353928960

約数和(自身を除く): 149409795

約数列:

[1, 3, 5, 15, 29, 37, 87, 97, 111, 131, 145, 185, 291, 393, 435, 485, 555, 655, 1073, 1455, 1965, 2813, 3219, 3589, 3799, 4847, 5365, 8439, 10767, 11397, 12707, 14065, 14541, 16095, 17945, 18995, 24235, 38121, 42195, 53835, 56985, 63535, 72705, 104081, 140563, 190605, 312243, 368503, 421689, 470159, 520405, 702815, 1105509, 1410477, 1561215, 1842515, 2108445, 2350795, 5527545, 7052385, 13634611, 40903833, 68173055, 204519165]

約数ペア:

[(1, 204519165), (3, 68173055), (5, 40903833), (15, 13634611), (29, 7052385), (37, 5527545), (87, 2350795), (97, 2108445), (111, 1842515), (131, 1561215), (145, 1410477), (185, 1105509), (291, 702815), (393, 520405), (435, 470159), (485, 421689), (555, 368503), (655, 312243), (1073, 190605), (1455, 140563), (1965, 104081), (2813, 72705), (3219, 63535), (3589, 56985), (3799, 53835), (4847, 42195), (5365, 38121), (8439, 24235), (10767, 18995), (11397, 17945), (12707, 16095), (14065, 14541)]