9963220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 22296960

約数和(自身を除く): 12333740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 167, 190, 314, 334, 380, 628, 668, 785, 835, 1570, 1670, 2983, 3140, 3173, 3340, 5966, 6346, 11932, 12692, 14915, 15865, 26219, 29830, 31730, 52438, 59660, 63460, 104876, 131095, 262190, 498161, 524380, 996322, 1992644, 2490805, 4981610, 9963220]

約数ペア:

[(1, 9963220), (2, 4981610), (4, 2490805), (5, 1992644), (10, 996322), (19, 524380), (20, 498161), (38, 262190), (76, 131095), (95, 104876), (157, 63460), (167, 59660), (190, 52438), (314, 31730), (334, 29830), (380, 26219), (628, 15865), (668, 14915), (785, 12692), (835, 11932), (1570, 6346), (1670, 5966), (2983, 3340), (3140, 3173)]