12919790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 27216000

約数和(自身を除く): 14296210

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 149, 230, 290, 298, 299, 377, 598, 667, 745, 754, 1334, 1490, 1495, 1885, 1937, 2990, 3335, 3427, 3770, 3874, 4321, 6670, 6854, 8642, 8671, 9685, 17135, 17342, 19370, 21605, 34270, 43210, 43355, 44551, 56173, 86710, 89102, 99383, 112346, 198766, 222755, 280865, 445510, 496915, 561730, 993830, 1291979, 2583958, 6459895, 12919790]

約数ペア:

[(1, 12919790), (2, 6459895), (5, 2583958), (10, 1291979), (13, 993830), (23, 561730), (26, 496915), (29, 445510), (46, 280865), (58, 222755), (65, 198766), (115, 112346), (130, 99383), (145, 89102), (149, 86710), (230, 56173), (290, 44551), (298, 43355), (299, 43210), (377, 34270), (598, 21605), (667, 19370), (745, 17342), (754, 17135), (1334, 9685), (1490, 8671), (1495, 8642), (1885, 6854), (1937, 6670), (2990, 4321), (3335, 3874), (3427, 3770)]