7238420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 17539200

約数和(自身を除く): 10300780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 347, 596, 694, 745, 1043, 1388, 1490, 1735, 2086, 2429, 2980, 3470, 4172, 4858, 5215, 6940, 9716, 10430, 12145, 20860, 24290, 48580, 51703, 103406, 206812, 258515, 361921, 517030, 723842, 1034060, 1447684, 1809605, 3619210, 7238420]

約数ペア:

[(1, 7238420), (2, 3619210), (4, 1809605), (5, 1447684), (7, 1034060), (10, 723842), (14, 517030), (20, 361921), (28, 258515), (35, 206812), (70, 103406), (140, 51703), (149, 48580), (298, 24290), (347, 20860), (596, 12145), (694, 10430), (745, 9716), (1043, 6940), (1388, 5215), (1490, 4858), (1735, 4172), (2086, 3470), (2429, 2980)]