200605984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{739}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 419580000

約数和(自身を除く): 218974016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 499, 544, 739, 998, 1478, 1996, 2956, 3992, 5912, 7984, 8483, 11824, 12563, 15968, 16966, 23648, 25126, 33932, 50252, 67864, 100504, 135728, 201008, 271456, 368761, 402016, 737522, 1475044, 2950088, 5900176, 6268937, 11800352, 12537874, 25075748, 50151496, 100302992, 200605984]

約数ペア:

[(1, 200605984), (2, 100302992), (4, 50151496), (8, 25075748), (16, 12537874), (17, 11800352), (32, 6268937), (34, 5900176), (68, 2950088), (136, 1475044), (272, 737522), (499, 402016), (544, 368761), (739, 271456), (998, 201008), (1478, 135728), (1996, 100504), (2956, 67864), (3992, 50252), (5912, 33932), (7984, 25126), (8483, 23648), (11824, 16966), (12563, 15968)]