409046968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 857132640

約数和(自身を除く): 448085672

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 181, 244, 362, 421, 488, 671, 724, 842, 1342, 1448, 1684, 1991, 2684, 3368, 3982, 4631, 5368, 7964, 9262, 11041, 15928, 18524, 22082, 25681, 37048, 44164, 51362, 76201, 88328, 102724, 121451, 152402, 205448, 242902, 282491, 304804, 485804, 564982, 609608, 838211, 971608, 1129964, 1676422, 2259928, 3352844, 4648261, 6705688, 9296522, 18593044, 37186088, 51130871, 102261742, 204523484, 409046968]

約数ペア:

[(1, 409046968), (2, 204523484), (4, 102261742), (8, 51130871), (11, 37186088), (22, 18593044), (44, 9296522), (61, 6705688), (88, 4648261), (122, 3352844), (181, 2259928), (244, 1676422), (362, 1129964), (421, 971608), (488, 838211), (671, 609608), (724, 564982), (842, 485804), (1342, 304804), (1448, 282491), (1684, 242902), (1991, 205448), (2684, 152402), (3368, 121451), (3982, 102724), (4631, 88328), (5368, 76201), (7964, 51362), (9262, 44164), (11041, 37048), (15928, 25681), (18524, 22082)]