199133060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 488749464

約数和(自身を除く): 289616404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 317, 490, 634, 641, 980, 1268, 1282, 1585, 2219, 2564, 3170, 3205, 4438, 4487, 6340, 6410, 8876, 8974, 11095, 12820, 15533, 17948, 22190, 22435, 31066, 31409, 44380, 44870, 62132, 62818, 77665, 89740, 125636, 155330, 157045, 203197, 310660, 314090, 406394, 628180, 812788, 1015985, 1422379, 2031970, 2844758, 4063940, 5689516, 7111895, 9956653, 14223790, 19913306, 28447580, 39826612, 49783265, 99566530, 199133060]

約数ペア:

[(1, 199133060), (2, 99566530), (4, 49783265), (5, 39826612), (7, 28447580), (10, 19913306), (14, 14223790), (20, 9956653), (28, 7111895), (35, 5689516), (49, 4063940), (70, 2844758), (98, 2031970), (140, 1422379), (196, 1015985), (245, 812788), (317, 628180), (490, 406394), (634, 314090), (641, 310660), (980, 203197), (1268, 157045), (1282, 155330), (1585, 125636), (2219, 89740), (2564, 77665), (3170, 62818), (3205, 62132), (4438, 44870), (4487, 44380), (6340, 31409), (6410, 31066), (8876, 22435), (8974, 22190), (11095, 17948), (12820, 15533)]