651320380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{11351}}^1$

素因数の和:11530

約数の個数: 48

約数和(自身を含む): 1449423360

約数和(自身を除く): 798102980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 604, 755, 1510, 2869, 3020, 5738, 11351, 11476, 14345, 22702, 28690, 45404, 56755, 57380, 113510, 215669, 227020, 431338, 862676, 1078345, 1714001, 2156690, 3428002, 4313380, 6856004, 8570005, 17140010, 32566019, 34280020, 65132038, 130264076, 162830095, 325660190, 651320380]

約数ペア:

[(1, 651320380), (2, 325660190), (4, 162830095), (5, 130264076), (10, 65132038), (19, 34280020), (20, 32566019), (38, 17140010), (76, 8570005), (95, 6856004), (151, 4313380), (190, 3428002), (302, 2156690), (380, 1714001), (604, 1078345), (755, 862676), (1510, 431338), (2869, 227020), (3020, 215669), (5738, 113510), (11351, 57380), (11476, 56755), (14345, 45404), (22702, 28690)]