87804220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1747}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 211438080

約数和(自身を除く): 123633860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1747, 1795, 2513, 3494, 3590, 5026, 6988, 7180, 8735, 10052, 12229, 12565, 17470, 24458, 25130, 34940, 48916, 50260, 61145, 122290, 244580, 627173, 1254346, 2508692, 3135865, 4390211, 6271730, 8780422, 12543460, 17560844, 21951055, 43902110, 87804220]

約数ペア:

[(1, 87804220), (2, 43902110), (4, 21951055), (5, 17560844), (7, 12543460), (10, 8780422), (14, 6271730), (20, 4390211), (28, 3135865), (35, 2508692), (70, 1254346), (140, 627173), (359, 244580), (718, 122290), (1436, 61145), (1747, 50260), (1795, 48916), (2513, 34940), (3494, 25130), (3590, 24458), (5026, 17470), (6988, 12565), (7180, 12229), (8735, 10052)]