287717810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 546713496

約数和(自身を除く): 258995686

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 397, 529, 685, 794, 1058, 1370, 1985, 2645, 3151, 3970, 5290, 6302, 9131, 15755, 18262, 31510, 45655, 54389, 72473, 91310, 108778, 144946, 210013, 271945, 362365, 420026, 543890, 724730, 1050065, 1250947, 2100130, 2501894, 6254735, 12509470, 28771781, 57543562, 143858905, 287717810]

約数ペア:

[(1, 287717810), (2, 143858905), (5, 57543562), (10, 28771781), (23, 12509470), (46, 6254735), (115, 2501894), (137, 2100130), (230, 1250947), (274, 1050065), (397, 724730), (529, 543890), (685, 420026), (794, 362365), (1058, 271945), (1370, 210013), (1985, 144946), (2645, 108778), (3151, 91310), (3970, 72473), (5290, 54389), (6302, 45655), (9131, 31510), (15755, 18262)]