2451970900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{1279}}^1$

素因数の和:2321

約数の個数: 72

約数和(自身を含む): 5610752000

約数和(自身を除く): 3158781100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1009, 1279, 1900, 2018, 2558, 4036, 5045, 5116, 6395, 10090, 12790, 19171, 20180, 24301, 25225, 25580, 31975, 38342, 48602, 50450, 63950, 76684, 95855, 97204, 100900, 121505, 127900, 191710, 243010, 383420, 479275, 486020, 607525, 958550, 1215050, 1290511, 1917100, 2430100, 2581022, 5162044, 6452555, 12905110, 24519709, 25810220, 32262775, 49039418, 64525550, 98078836, 122598545, 129051100, 245197090, 490394180, 612992725, 1225985450, 2451970900]

約数ペア:

[(1, 2451970900), (2, 1225985450), (4, 612992725), (5, 490394180), (10, 245197090), (19, 129051100), (20, 122598545), (25, 98078836), (38, 64525550), (50, 49039418), (76, 32262775), (95, 25810220), (100, 24519709), (190, 12905110), (380, 6452555), (475, 5162044), (950, 2581022), (1009, 2430100), (1279, 1917100), (1900, 1290511), (2018, 1215050), (2558, 958550), (4036, 607525), (5045, 486020), (5116, 479275), (6395, 383420), (10090, 243010), (12790, 191710), (19171, 127900), (20180, 121505), (24301, 100900), (25225, 97204), (25580, 95855), (31975, 76684), (38342, 63950), (48602, 50450)]