99983990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 199618560

約数和(自身を除く): 99634570

約数列:

[1, 2, 5, 10, 23, 31, 37, 46, 62, 74, 115, 155, 185, 230, 310, 370, 379, 713, 758, 851, 1147, 1426, 1702, 1895, 2294, 3565, 3790, 4255, 5735, 7130, 8510, 8717, 11470, 11749, 14023, 17434, 23498, 26381, 28046, 43585, 52762, 58745, 70115, 87170, 117490, 131905, 140230, 263810, 270227, 322529, 434713, 540454, 645058, 869426, 1351135, 1612645, 2173565, 2702270, 3225290, 4347130, 9998399, 19996798, 49991995, 99983990]

約数ペア:

[(1, 99983990), (2, 49991995), (5, 19996798), (10, 9998399), (23, 4347130), (31, 3225290), (37, 2702270), (46, 2173565), (62, 1612645), (74, 1351135), (115, 869426), (155, 645058), (185, 540454), (230, 434713), (310, 322529), (370, 270227), (379, 263810), (713, 140230), (758, 131905), (851, 117490), (1147, 87170), (1426, 70115), (1702, 58745), (1895, 52762), (2294, 43585), (3565, 28046), (3790, 26381), (4255, 23498), (5735, 17434), (7130, 14023), (8510, 11749), (8717, 11470)]