9447940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 22296960

約数和(自身を除く): 12849020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 47, 76, 92, 94, 95, 115, 188, 190, 230, 235, 380, 437, 460, 470, 529, 874, 893, 940, 1058, 1081, 1748, 1786, 2116, 2162, 2185, 2645, 3572, 4324, 4370, 4465, 5290, 5405, 8740, 8930, 10051, 10580, 10810, 17860, 20102, 20539, 21620, 24863, 40204, 41078, 49726, 50255, 82156, 99452, 100510, 102695, 124315, 201020, 205390, 248630, 410780, 472397, 497260, 944794, 1889588, 2361985, 4723970, 9447940]

約数ペア:

[(1, 9447940), (2, 4723970), (4, 2361985), (5, 1889588), (10, 944794), (19, 497260), (20, 472397), (23, 410780), (38, 248630), (46, 205390), (47, 201020), (76, 124315), (92, 102695), (94, 100510), (95, 99452), (115, 82156), (188, 50255), (190, 49726), (230, 41078), (235, 40204), (380, 24863), (437, 21620), (460, 20539), (470, 20102), (529, 17860), (874, 10810), (893, 10580), (940, 10051), (1058, 8930), (1081, 8740), (1748, 5405), (1786, 5290), (2116, 4465), (2162, 4370), (2185, 4324), (2645, 3572)]