197682040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{159421}}^1$

素因数の和:159463

約数の個数: 32

約数和(自身を含む): 459135360

約数和(自身を除く): 261453320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 159421, 318842, 637684, 797105, 1275368, 1594210, 3188420, 4942051, 6376840, 9884102, 19768204, 24710255, 39536408, 49420510, 98841020, 197682040]

約数ペア:

[(1, 197682040), (2, 98841020), (4, 49420510), (5, 39536408), (8, 24710255), (10, 19768204), (20, 9884102), (31, 6376840), (40, 4942051), (62, 3188420), (124, 1594210), (155, 1275368), (248, 797105), (310, 637684), (620, 318842), (1240, 159421)]