39279380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 96957000

約数和(自身を除く): 57677620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 269, 298, 490, 538, 596, 745, 980, 1043, 1076, 1345, 1490, 1883, 2086, 2690, 2980, 3766, 4172, 5215, 5380, 7301, 7532, 9415, 10430, 13181, 14602, 18830, 20860, 26362, 29204, 36505, 37660, 40081, 52724, 65905, 73010, 80162, 131810, 146020, 160324, 200405, 263620, 280567, 400810, 561134, 801620, 1122268, 1402835, 1963969, 2805670, 3927938, 5611340, 7855876, 9819845, 19639690, 39279380]

約数ペア:

[(1, 39279380), (2, 19639690), (4, 9819845), (5, 7855876), (7, 5611340), (10, 3927938), (14, 2805670), (20, 1963969), (28, 1402835), (35, 1122268), (49, 801620), (70, 561134), (98, 400810), (140, 280567), (149, 263620), (196, 200405), (245, 160324), (269, 146020), (298, 131810), (490, 80162), (538, 73010), (596, 65905), (745, 52724), (980, 40081), (1043, 37660), (1076, 36505), (1345, 29204), (1490, 26362), (1883, 20860), (2086, 18830), (2690, 14602), (2980, 13181), (3766, 10430), (4172, 9415), (5215, 7532), (5380, 7301)]