199470256

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 415259136

約数和(自身を除く): 215788880

約数列:

[1, 2, 4, 8, 16, 37, 47, 67, 74, 94, 107, 134, 148, 188, 214, 268, 296, 376, 428, 536, 592, 752, 856, 1072, 1712, 1739, 2479, 3149, 3478, 3959, 4958, 5029, 6298, 6956, 7169, 7918, 9916, 10058, 12596, 13912, 14338, 15836, 19832, 20116, 25192, 27824, 28676, 31672, 39664, 40232, 50384, 57352, 63344, 80464, 114704, 116513, 186073, 233026, 265253, 336943, 372146, 466052, 530506, 673886, 744292, 932104, 1061012, 1347772, 1488584, 1864208, 2122024, 2695544, 2977168, 4244048, 5391088, 12466891, 24933782, 49867564, 99735128, 199470256]

約数ペア:

[(1, 199470256), (2, 99735128), (4, 49867564), (8, 24933782), (16, 12466891), (37, 5391088), (47, 4244048), (67, 2977168), (74, 2695544), (94, 2122024), (107, 1864208), (134, 1488584), (148, 1347772), (188, 1061012), (214, 932104), (268, 744292), (296, 673886), (376, 530506), (428, 466052), (536, 372146), (592, 336943), (752, 265253), (856, 233026), (1072, 186073), (1712, 116513), (1739, 114704), (2479, 80464), (3149, 63344), (3478, 57352), (3959, 50384), (4958, 40232), (5029, 39664), (6298, 31672), (6956, 28676), (7169, 27824), (7918, 25192), (9916, 20116), (10058, 19832), (12596, 15836), (13912, 14338)]