258869380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1705

約数の個数: 96

約数和(自身を含む): 684536832

約数和(自身を除く): 425667452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 140, 154, 214, 220, 308, 385, 428, 535, 749, 770, 1070, 1177, 1498, 1540, 1571, 2140, 2354, 2996, 3142, 3745, 4708, 5885, 6284, 7490, 7855, 8239, 10997, 11770, 14980, 15710, 16478, 17281, 21994, 23540, 31420, 32956, 34562, 41195, 43988, 54985, 69124, 82390, 86405, 109970, 120967, 164780, 168097, 172810, 219940, 241934, 336194, 345620, 483868, 604835, 672388, 840485, 1176679, 1209670, 1680970, 1849067, 2353358, 2419340, 3361940, 3698134, 4706716, 5883395, 7396268, 9245335, 11766790, 12943469, 18490670, 23533580, 25886938, 36981340, 51773876, 64717345, 129434690, 258869380]

約数ペア:

[(1, 258869380), (2, 129434690), (4, 64717345), (5, 51773876), (7, 36981340), (10, 25886938), (11, 23533580), (14, 18490670), (20, 12943469), (22, 11766790), (28, 9245335), (35, 7396268), (44, 5883395), (55, 4706716), (70, 3698134), (77, 3361940), (107, 2419340), (110, 2353358), (140, 1849067), (154, 1680970), (214, 1209670), (220, 1176679), (308, 840485), (385, 672388), (428, 604835), (535, 483868), (749, 345620), (770, 336194), (1070, 241934), (1177, 219940), (1498, 172810), (1540, 168097), (1571, 164780), (2140, 120967), (2354, 109970), (2996, 86405), (3142, 82390), (3745, 69124), (4708, 54985), (5885, 43988), (6284, 41195), (7490, 34562), (7855, 32956), (8239, 31420), (10997, 23540), (11770, 21994), (14980, 17281), (15710, 16478)]