220461228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3389}}^1$

素因数の和:3551

約数の個数: 72

約数和(自身を含む): 604640400

約数和(自身を除く): 384179172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3389, 3614, 5004, 5421, 6778, 7228, 10167, 10842, 13556, 16263, 20334, 21684, 30501, 32526, 40668, 44057, 61002, 65052, 88114, 122004, 132171, 176228, 264342, 396513, 471071, 528684, 793026, 942142, 1413213, 1586052, 1884284, 2826426, 4239639, 5652852, 6123923, 8479278, 12247846, 16958556, 18371769, 24495692, 36743538, 55115307, 73487076, 110230614, 220461228]

約数ペア:

[(1, 220461228), (2, 110230614), (3, 73487076), (4, 55115307), (6, 36743538), (9, 24495692), (12, 18371769), (13, 16958556), (18, 12247846), (26, 8479278), (36, 6123923), (39, 5652852), (52, 4239639), (78, 2826426), (117, 1884284), (139, 1586052), (156, 1413213), (234, 942142), (278, 793026), (417, 528684), (468, 471071), (556, 396513), (834, 264342), (1251, 176228), (1668, 132171), (1807, 122004), (2502, 88114), (3389, 65052), (3614, 61002), (5004, 44057), (5421, 40668), (6778, 32526), (7228, 30501), (10167, 21684), (10842, 20334), (13556, 16263)]