98738920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{50377}}^1$

素因数の和:50402

約数の個数: 48

約数和(自身を含む): 258439140

約数和(自身を除く): 159700220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 50377, 100754, 201508, 251885, 352639, 403016, 503770, 705278, 1007540, 1410556, 1763195, 2015080, 2468473, 2821112, 3526390, 4936946, 7052780, 9873892, 12342365, 14105560, 19747784, 24684730, 49369460, 98738920]

約数ペア:

[(1, 98738920), (2, 49369460), (4, 24684730), (5, 19747784), (7, 14105560), (8, 12342365), (10, 9873892), (14, 7052780), (20, 4936946), (28, 3526390), (35, 2821112), (40, 2468473), (49, 2015080), (56, 1763195), (70, 1410556), (98, 1007540), (140, 705278), (196, 503770), (245, 403016), (280, 352639), (392, 251885), (490, 201508), (980, 100754), (1960, 50377)]