205658860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4999}}^1$

素因数の和:5047

約数の個数: 72

約数和(自身を含む): 502740000

約数和(自身を除く): 297081140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 4999, 8228, 9998, 10285, 19996, 20570, 24995, 41140, 49990, 54989, 84983, 99980, 109978, 169966, 219956, 274945, 339932, 424915, 549890, 604879, 849830, 934813, 1099780, 1209758, 1699660, 1869626, 2419516, 3024395, 3739252, 4674065, 6048790, 9348130, 10282943, 12097580, 18696260, 20565886, 41131772, 51414715, 102829430, 205658860]

約数ペア:

[(1, 205658860), (2, 102829430), (4, 51414715), (5, 41131772), (10, 20565886), (11, 18696260), (17, 12097580), (20, 10282943), (22, 9348130), (34, 6048790), (44, 4674065), (55, 3739252), (68, 3024395), (85, 2419516), (110, 1869626), (121, 1699660), (170, 1209758), (187, 1099780), (220, 934813), (242, 849830), (340, 604879), (374, 549890), (484, 424915), (605, 339932), (748, 274945), (935, 219956), (1210, 169966), (1870, 109978), (2057, 99980), (2420, 84983), (3740, 54989), (4114, 49990), (4999, 41140), (8228, 24995), (9998, 20570), (10285, 19996)]