196407320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{158393}}^1$

素因数の和:158435

約数の個数: 32

約数和(自身を含む): 456174720

約数和(自身を除く): 259767400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 158393, 316786, 633572, 791965, 1267144, 1583930, 3167860, 4910183, 6335720, 9820366, 19640732, 24550915, 39281464, 49101830, 98203660, 196407320]

約数ペア:

[(1, 196407320), (2, 98203660), (4, 49101830), (5, 39281464), (8, 24550915), (10, 19640732), (20, 9820366), (31, 6335720), (40, 4910183), (62, 3167860), (124, 1583930), (155, 1267144), (248, 791965), (310, 633572), (620, 316786), (1240, 158393)]