29242820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 63174720

約数和(自身を除く): 33931900

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 157, 268, 278, 314, 335, 556, 628, 670, 695, 785, 1340, 1390, 1570, 2780, 3140, 9313, 10519, 18626, 21038, 21823, 37252, 42076, 43646, 46565, 52595, 87292, 93130, 105190, 109115, 186260, 210380, 218230, 436460, 1462141, 2924282, 5848564, 7310705, 14621410, 29242820]

約数ペア:

[(1, 29242820), (2, 14621410), (4, 7310705), (5, 5848564), (10, 2924282), (20, 1462141), (67, 436460), (134, 218230), (139, 210380), (157, 186260), (268, 109115), (278, 105190), (314, 93130), (335, 87292), (556, 52595), (628, 46565), (670, 43646), (695, 42076), (785, 37252), (1340, 21823), (1390, 21038), (1570, 18626), (2780, 10519), (3140, 9313)]