221419360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44641}}^1$

素因数の和:44687

約数の個数: 48

約数和(自身を含む): 539989632

約数和(自身を除く): 318570272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 44641, 89282, 178564, 223205, 357128, 446410, 714256, 892820, 1383871, 1428512, 1785640, 2767742, 3571280, 5535484, 6919355, 7142560, 11070968, 13838710, 22141936, 27677420, 44283872, 55354840, 110709680, 221419360]

約数ペア:

[(1, 221419360), (2, 110709680), (4, 55354840), (5, 44283872), (8, 27677420), (10, 22141936), (16, 13838710), (20, 11070968), (31, 7142560), (32, 6919355), (40, 5535484), (62, 3571280), (80, 2767742), (124, 1785640), (155, 1428512), (160, 1383871), (248, 892820), (310, 714256), (496, 446410), (620, 357128), (992, 223205), (1240, 178564), (2480, 89282), (4960, 44641)]