156904220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41953}}^1$

素因数の和:41990

約数の個数: 48

約数和(自身を含む): 380606688

約数和(自身を除く): 223702468

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 41953, 83906, 167812, 209765, 419530, 461483, 713201, 839060, 922966, 1426402, 1845932, 2307415, 2852804, 3566005, 4614830, 7132010, 7845211, 9229660, 14264020, 15690422, 31380844, 39226055, 78452110, 156904220]

約数ペア:

[(1, 156904220), (2, 78452110), (4, 39226055), (5, 31380844), (10, 15690422), (11, 14264020), (17, 9229660), (20, 7845211), (22, 7132010), (34, 4614830), (44, 3566005), (55, 2852804), (68, 2307415), (85, 1845932), (110, 1426402), (170, 922966), (187, 839060), (220, 713201), (340, 461483), (374, 419530), (748, 209765), (935, 167812), (1870, 83906), (3740, 41953)]