78757420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1567}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 189665280

約数和(自身を除く): 110907860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1567, 1795, 2513, 3134, 3590, 5026, 6268, 7180, 7835, 10052, 10969, 12565, 15670, 21938, 25130, 31340, 43876, 50260, 54845, 109690, 219380, 562553, 1125106, 2250212, 2812765, 3937871, 5625530, 7875742, 11251060, 15751484, 19689355, 39378710, 78757420]

約数ペア:

[(1, 78757420), (2, 39378710), (4, 19689355), (5, 15751484), (7, 11251060), (10, 7875742), (14, 5625530), (20, 3937871), (28, 2812765), (35, 2250212), (70, 1125106), (140, 562553), (359, 219380), (718, 109690), (1436, 54845), (1567, 50260), (1795, 43876), (2513, 31340), (3134, 25130), (3590, 21938), (5026, 15670), (6268, 12565), (7180, 10969), (7835, 10052)]