55205990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 117504000

約数和(自身を除く): 62298010

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 79, 134, 149, 158, 298, 335, 395, 469, 553, 670, 745, 790, 938, 1043, 1106, 1490, 2086, 2345, 2765, 4690, 5215, 5293, 5530, 9983, 10430, 10586, 11771, 19966, 23542, 26465, 37051, 49915, 52930, 58855, 69881, 74102, 82397, 99830, 117710, 139762, 164794, 185255, 349405, 370510, 411985, 698810, 788657, 823970, 1577314, 3943285, 5520599, 7886570, 11041198, 27602995, 55205990]

約数ペア:

[(1, 55205990), (2, 27602995), (5, 11041198), (7, 7886570), (10, 5520599), (14, 3943285), (35, 1577314), (67, 823970), (70, 788657), (79, 698810), (134, 411985), (149, 370510), (158, 349405), (298, 185255), (335, 164794), (395, 139762), (469, 117710), (553, 99830), (670, 82397), (745, 74102), (790, 69881), (938, 58855), (1043, 52930), (1106, 49915), (1490, 37051), (2086, 26465), (2345, 23542), (2765, 19966), (4690, 11771), (5215, 10586), (5293, 10430), (5530, 9983)]