84673240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 195098400

約数和(自身を除く): 110425160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 157, 194, 278, 314, 388, 485, 556, 628, 695, 776, 785, 970, 1112, 1256, 1390, 1570, 1940, 2780, 3140, 3880, 5560, 6280, 13483, 15229, 21823, 26966, 30458, 43646, 53932, 60916, 67415, 76145, 87292, 107864, 109115, 121832, 134830, 152290, 174584, 218230, 269660, 304580, 436460, 539320, 609160, 872920, 2116831, 4233662, 8467324, 10584155, 16934648, 21168310, 42336620, 84673240]

約数ペア:

[(1, 84673240), (2, 42336620), (4, 21168310), (5, 16934648), (8, 10584155), (10, 8467324), (20, 4233662), (40, 2116831), (97, 872920), (139, 609160), (157, 539320), (194, 436460), (278, 304580), (314, 269660), (388, 218230), (485, 174584), (556, 152290), (628, 134830), (695, 121832), (776, 109115), (785, 107864), (970, 87292), (1112, 76145), (1256, 67415), (1390, 60916), (1570, 53932), (1940, 43646), (2780, 30458), (3140, 26966), (3880, 21823), (5560, 15229), (6280, 13483)]