2988608980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{6211}}^1$

素因数の和:6725

約数の個数: 72

約数和(自身を含む): 7316791776

約数和(自身を除く): 4328182796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 491, 980, 982, 1964, 2455, 3437, 4910, 6211, 6874, 9820, 12422, 13748, 17185, 24059, 24844, 31055, 34370, 43477, 48118, 62110, 68740, 86954, 96236, 120295, 124220, 173908, 217385, 240590, 304339, 434770, 481180, 608678, 869540, 1217356, 1521695, 3043390, 3049601, 6086780, 6099202, 12198404, 15248005, 21347207, 30496010, 42694414, 60992020, 85388828, 106736035, 149430449, 213472070, 298860898, 426944140, 597721796, 747152245, 1494304490, 2988608980]

約数ペア:

[(1, 2988608980), (2, 1494304490), (4, 747152245), (5, 597721796), (7, 426944140), (10, 298860898), (14, 213472070), (20, 149430449), (28, 106736035), (35, 85388828), (49, 60992020), (70, 42694414), (98, 30496010), (140, 21347207), (196, 15248005), (245, 12198404), (490, 6099202), (491, 6086780), (980, 3049601), (982, 3043390), (1964, 1521695), (2455, 1217356), (3437, 869540), (4910, 608678), (6211, 481180), (6874, 434770), (9820, 304339), (12422, 240590), (13748, 217385), (17185, 173908), (24059, 124220), (24844, 120295), (31055, 96236), (34370, 86954), (43477, 68740), (48118, 62110)]