620574228

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{613}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 1600454856

約数和(自身を除く): 979880628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 461, 549, 613, 732, 922, 1098, 1226, 1383, 1839, 1844, 2196, 2452, 2766, 3678, 4149, 5517, 5532, 7356, 8298, 11034, 16596, 22068, 28121, 37393, 56242, 74786, 84363, 112179, 112484, 149572, 168726, 224358, 253089, 282593, 336537, 337452, 448716, 506178, 565186, 673074, 847779, 1012356, 1130372, 1346148, 1695558, 2543337, 3391116, 5086674, 10173348, 17238173, 34476346, 51714519, 68952692, 103429038, 155143557, 206858076, 310287114, 620574228]

約数ペア:

[(1, 620574228), (2, 310287114), (3, 206858076), (4, 155143557), (6, 103429038), (9, 68952692), (12, 51714519), (18, 34476346), (36, 17238173), (61, 10173348), (122, 5086674), (183, 3391116), (244, 2543337), (366, 1695558), (461, 1346148), (549, 1130372), (613, 1012356), (732, 847779), (922, 673074), (1098, 565186), (1226, 506178), (1383, 448716), (1839, 337452), (1844, 336537), (2196, 282593), (2452, 253089), (2766, 224358), (3678, 168726), (4149, 149572), (5517, 112484), (5532, 112179), (7356, 84363), (8298, 74786), (11034, 56242), (16596, 37393), (22068, 28121)]