89874820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 221004504

約数和(自身を除く): 131129684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 313, 490, 586, 626, 980, 1172, 1252, 1465, 1565, 2051, 2191, 2930, 3130, 4102, 4382, 5860, 6260, 8204, 8764, 10255, 10955, 14357, 15337, 20510, 21910, 28714, 30674, 41020, 43820, 57428, 61348, 71785, 76685, 91709, 143570, 153370, 183418, 287140, 306740, 366836, 458545, 641963, 917090, 1283926, 1834180, 2567852, 3209815, 4493741, 6419630, 8987482, 12839260, 17974964, 22468705, 44937410, 89874820]

約数ペア:

[(1, 89874820), (2, 44937410), (4, 22468705), (5, 17974964), (7, 12839260), (10, 8987482), (14, 6419630), (20, 4493741), (28, 3209815), (35, 2567852), (49, 1834180), (70, 1283926), (98, 917090), (140, 641963), (196, 458545), (245, 366836), (293, 306740), (313, 287140), (490, 183418), (586, 153370), (626, 143570), (980, 91709), (1172, 76685), (1252, 71785), (1465, 61348), (1565, 57428), (2051, 43820), (2191, 41020), (2930, 30674), (3130, 28714), (4102, 21910), (4382, 20510), (5860, 15337), (6260, 14357), (8204, 10955), (8764, 10255)]