74808890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 157731840

約数和(自身を除く): 82922950

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 977, 1178, 1235, 1954, 2015, 2470, 2945, 4030, 4885, 5890, 7657, 9770, 12701, 15314, 18563, 25402, 30287, 37126, 38285, 60574, 63505, 76570, 92815, 127010, 151435, 185630, 241319, 302870, 393731, 482638, 575453, 787462, 1150906, 1206595, 1968655, 2413190, 2877265, 3937310, 5754530, 7480889, 14961778, 37404445, 74808890]

約数ペア:

[(1, 74808890), (2, 37404445), (5, 14961778), (10, 7480889), (13, 5754530), (19, 3937310), (26, 2877265), (31, 2413190), (38, 1968655), (62, 1206595), (65, 1150906), (95, 787462), (130, 575453), (155, 482638), (190, 393731), (247, 302870), (310, 241319), (403, 185630), (494, 151435), (589, 127010), (806, 92815), (977, 76570), (1178, 63505), (1235, 60574), (1954, 38285), (2015, 37126), (2470, 30287), (2945, 25402), (4030, 18563), (4885, 15314), (5890, 12701), (7657, 9770)]