139390860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331883}}^1$

素因数の和:331902

約数の個数: 48

約数和(自身を含む): 446052096

約数和(自身を除く): 306661236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 331883, 663766, 995649, 1327532, 1659415, 1991298, 2323181, 3318830, 3982596, 4646362, 4978245, 6637660, 6969543, 9292724, 9956490, 11615905, 13939086, 19912980, 23231810, 27878172, 34847715, 46463620, 69695430, 139390860]

約数ペア:

[(1, 139390860), (2, 69695430), (3, 46463620), (4, 34847715), (5, 27878172), (6, 23231810), (7, 19912980), (10, 13939086), (12, 11615905), (14, 9956490), (15, 9292724), (20, 6969543), (21, 6637660), (28, 4978245), (30, 4646362), (35, 3982596), (42, 3318830), (60, 2323181), (70, 1991298), (84, 1659415), (105, 1327532), (140, 995649), (210, 663766), (420, 331883)]