402100070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{1301}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 748452096

約数和(自身を除く): 346352026

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 997, 1301, 1994, 2602, 4985, 6505, 9970, 13010, 30907, 40331, 61814, 80662, 154535, 201655, 309070, 403310, 1297097, 2594194, 6485485, 12970970, 40210007, 80420014, 201050035, 402100070]

約数ペア:

[(1, 402100070), (2, 201050035), (5, 80420014), (10, 40210007), (31, 12970970), (62, 6485485), (155, 2594194), (310, 1297097), (997, 403310), (1301, 309070), (1994, 201655), (2602, 154535), (4985, 80662), (6505, 61814), (9970, 40331), (13010, 30907)]