42336620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 91045920

約数和(自身を除く): 48709300

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 157, 194, 278, 314, 388, 485, 556, 628, 695, 785, 970, 1390, 1570, 1940, 2780, 3140, 13483, 15229, 21823, 26966, 30458, 43646, 53932, 60916, 67415, 76145, 87292, 109115, 134830, 152290, 218230, 269660, 304580, 436460, 2116831, 4233662, 8467324, 10584155, 21168310, 42336620]

約数ペア:

[(1, 42336620), (2, 21168310), (4, 10584155), (5, 8467324), (10, 4233662), (20, 2116831), (97, 436460), (139, 304580), (157, 269660), (194, 218230), (278, 152290), (314, 134830), (388, 109115), (485, 87292), (556, 76145), (628, 67415), (695, 60916), (785, 53932), (970, 43646), (1390, 30458), (1570, 26966), (1940, 21823), (2780, 15229), (3140, 13483)]