321127960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{472247}}^1$

素因数の和:472275

約数の個数: 32

約数和(自身を含む): 765041760

約数和(自身を除く): 443913800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 472247, 944494, 1888988, 2361235, 3777976, 4722470, 8028199, 9444940, 16056398, 18889880, 32112796, 40140995, 64225592, 80281990, 160563980, 321127960]

約数ペア:

[(1, 321127960), (2, 160563980), (4, 80281990), (5, 64225592), (8, 40140995), (10, 32112796), (17, 18889880), (20, 16056398), (34, 9444940), (40, 8028199), (68, 4722470), (85, 3777976), (136, 2361235), (170, 1888988), (340, 944494), (680, 472247)]