644661010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{587}}^1$

素因数の和:1171

約数の個数: 64

約数和(自身を含む): 1376766720

約数和(自身を除く): 732105710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 541, 587, 1015, 1082, 1174, 2030, 2705, 2935, 3787, 4109, 5410, 5870, 7574, 8218, 15689, 17023, 18935, 20545, 31378, 34046, 37870, 41090, 78445, 85115, 109823, 119161, 156890, 170230, 219646, 238322, 317567, 549115, 595805, 635134, 1098230, 1191610, 1587835, 2222969, 3175670, 4445938, 9209443, 11114845, 18418886, 22229690, 46047215, 64466101, 92094430, 128932202, 322330505, 644661010]

約数ペア:

[(1, 644661010), (2, 322330505), (5, 128932202), (7, 92094430), (10, 64466101), (14, 46047215), (29, 22229690), (35, 18418886), (58, 11114845), (70, 9209443), (145, 4445938), (203, 3175670), (290, 2222969), (406, 1587835), (541, 1191610), (587, 1098230), (1015, 635134), (1082, 595805), (1174, 549115), (2030, 317567), (2705, 238322), (2935, 219646), (3787, 170230), (4109, 156890), (5410, 119161), (5870, 109823), (7574, 85115), (8218, 78445), (15689, 41090), (17023, 37870), (18935, 34046), (20545, 31378)]