220747156

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 474356736

約数和(自身を除く): 253609580

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 49, 62, 94, 98, 124, 188, 196, 217, 329, 434, 658, 773, 868, 1316, 1457, 1519, 1546, 2303, 2914, 3038, 3092, 4606, 5411, 5828, 6076, 9212, 10199, 10822, 20398, 21644, 23963, 36331, 37877, 40796, 47926, 71393, 72662, 75754, 95852, 142786, 145324, 151508, 167741, 254317, 285572, 335482, 508634, 670964, 1017268, 1126261, 1174187, 1780219, 2252522, 2348374, 3560438, 4505044, 4696748, 7120876, 7883827, 15767654, 31535308, 55186789, 110373578, 220747156]

約数ペア:

[(1, 220747156), (2, 110373578), (4, 55186789), (7, 31535308), (14, 15767654), (28, 7883827), (31, 7120876), (47, 4696748), (49, 4505044), (62, 3560438), (94, 2348374), (98, 2252522), (124, 1780219), (188, 1174187), (196, 1126261), (217, 1017268), (329, 670964), (434, 508634), (658, 335482), (773, 285572), (868, 254317), (1316, 167741), (1457, 151508), (1519, 145324), (1546, 142786), (2303, 95852), (2914, 75754), (3038, 72662), (3092, 71393), (4606, 47926), (5411, 40796), (5828, 37877), (6076, 36331), (9212, 23963), (10199, 21644), (10822, 20398)]