221209740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1228943}}^1$

素因数の和:1228958

約数の個数: 36

約数和(自身を含む): 671003424

約数和(自身を除く): 449793684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1228943, 2457886, 3686829, 4915772, 6144715, 7373658, 11060487, 12289430, 14747316, 18434145, 22120974, 24578860, 36868290, 44241948, 55302435, 73736580, 110604870, 221209740]

約数ペア:

[(1, 221209740), (2, 110604870), (3, 73736580), (4, 55302435), (5, 44241948), (6, 36868290), (9, 24578860), (10, 22120974), (12, 18434145), (15, 14747316), (18, 12289430), (20, 11060487), (30, 7373658), (36, 6144715), (45, 4915772), (60, 3686829), (90, 2457886), (180, 1228943)]