220767554

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 406978560

約数和(自身を除く): 186211006

約数列:

[1, 2, 7, 14, 31, 47, 62, 79, 94, 137, 158, 217, 274, 329, 434, 553, 658, 959, 1106, 1457, 1918, 2449, 2914, 3713, 4247, 4898, 6439, 7426, 8494, 10199, 10823, 12878, 17143, 20398, 21646, 25991, 29729, 34286, 45073, 51982, 59458, 75761, 90146, 115103, 151522, 199609, 230206, 335513, 399218, 508681, 671026, 805721, 1017362, 1397263, 1611442, 2348591, 2794526, 3560767, 4697182, 7121534, 15769111, 31538222, 110383777, 220767554]

約数ペア:

[(1, 220767554), (2, 110383777), (7, 31538222), (14, 15769111), (31, 7121534), (47, 4697182), (62, 3560767), (79, 2794526), (94, 2348591), (137, 1611442), (158, 1397263), (217, 1017362), (274, 805721), (329, 671026), (434, 508681), (553, 399218), (658, 335513), (959, 230206), (1106, 199609), (1457, 151522), (1918, 115103), (2449, 90146), (2914, 75761), (3713, 59458), (4247, 51982), (4898, 45073), (6439, 34286), (7426, 29729), (8494, 25991), (10199, 21646), (10823, 20398), (12878, 17143)]