221540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 544320

約数和(自身を除く): 322780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 53, 55, 76, 95, 106, 110, 190, 209, 212, 220, 265, 380, 418, 530, 583, 836, 1007, 1045, 1060, 1166, 2014, 2090, 2332, 2915, 4028, 4180, 5035, 5830, 10070, 11077, 11660, 20140, 22154, 44308, 55385, 110770, 221540]

約数ペア:

[(1, 221540), (2, 110770), (4, 55385), (5, 44308), (10, 22154), (11, 20140), (19, 11660), (20, 11077), (22, 10070), (38, 5830), (44, 5035), (53, 4180), (55, 4028), (76, 2915), (95, 2332), (106, 2090), (110, 2014), (190, 1166), (209, 1060), (212, 1045), (220, 1007), (265, 836), (380, 583), (418, 530)]