101969980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1643

約数の個数: 72

約数和(自身を含む): 252978768

約数和(自身を除く): 151008788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1553, 1876, 2345, 3106, 3283, 4690, 6212, 6566, 7765, 9380, 10871, 13132, 15530, 16415, 21742, 31060, 32830, 43484, 54355, 65660, 76097, 104051, 108710, 152194, 208102, 217420, 304388, 380485, 416204, 520255, 728357, 760970, 1040510, 1456714, 1521940, 2081020, 2913428, 3641785, 5098499, 7283570, 10196998, 14567140, 20393996, 25492495, 50984990, 101969980]

約数ペア:

[(1, 101969980), (2, 50984990), (4, 25492495), (5, 20393996), (7, 14567140), (10, 10196998), (14, 7283570), (20, 5098499), (28, 3641785), (35, 2913428), (49, 2081020), (67, 1521940), (70, 1456714), (98, 1040510), (134, 760970), (140, 728357), (196, 520255), (245, 416204), (268, 380485), (335, 304388), (469, 217420), (490, 208102), (670, 152194), (938, 108710), (980, 104051), (1340, 76097), (1553, 65660), (1876, 54355), (2345, 43484), (3106, 32830), (3283, 31060), (4690, 21742), (6212, 16415), (6566, 15530), (7765, 13132), (9380, 10871)]