220031812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 521579520

約数和(自身を除く): 301547708

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 179, 182, 286, 307, 308, 358, 364, 572, 614, 716, 1001, 1228, 1253, 1969, 2002, 2149, 2327, 2506, 3377, 3938, 3991, 4004, 4298, 4654, 5012, 6754, 7876, 7982, 8596, 9308, 13508, 13783, 15964, 16289, 23639, 25597, 27566, 27937, 32578, 43901, 47278, 51194, 54953, 55132, 55874, 65156, 87802, 94556, 102388, 109906, 111748, 175604, 179179, 219812, 307307, 358358, 384671, 604483, 614614, 714389, 716716, 769342, 1208966, 1229228, 1428778, 1538684, 2417932, 2857556, 4231381, 5000723, 7858279, 8462762, 10001446, 15716558, 16925524, 20002892, 31433116, 55007953, 110015906, 220031812]

約数ペア:

[(1, 220031812), (2, 110015906), (4, 55007953), (7, 31433116), (11, 20002892), (13, 16925524), (14, 15716558), (22, 10001446), (26, 8462762), (28, 7858279), (44, 5000723), (52, 4231381), (77, 2857556), (91, 2417932), (143, 1538684), (154, 1428778), (179, 1229228), (182, 1208966), (286, 769342), (307, 716716), (308, 714389), (358, 614614), (364, 604483), (572, 384671), (614, 358358), (716, 307307), (1001, 219812), (1228, 179179), (1253, 175604), (1969, 111748), (2002, 109906), (2149, 102388), (2327, 94556), (2506, 87802), (3377, 65156), (3938, 55874), (3991, 55132), (4004, 54953), (4298, 51194), (4654, 47278), (5012, 43901), (6754, 32578), (7876, 27937), (7982, 27566), (8596, 25597), (9308, 23639), (13508, 16289), (13783, 15964)]