2116720840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{214243}}^1$

素因数の和:214286

約数の個数: 64

約数和(自身を含む): 5398948800

約数和(自身を除く): 3282227960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 214243, 428486, 856972, 1071215, 1713944, 2142430, 2785159, 4070617, 4284860, 5570318, 8141234, 8569720, 11140636, 13925795, 16282468, 20353085, 22281272, 27851590, 32564936, 40706170, 52918021, 55703180, 81412340, 105836042, 111406360, 162824680, 211672084, 264590105, 423344168, 529180210, 1058360420, 2116720840]

約数ペア:

[(1, 2116720840), (2, 1058360420), (4, 529180210), (5, 423344168), (8, 264590105), (10, 211672084), (13, 162824680), (19, 111406360), (20, 105836042), (26, 81412340), (38, 55703180), (40, 52918021), (52, 40706170), (65, 32564936), (76, 27851590), (95, 22281272), (104, 20353085), (130, 16282468), (152, 13925795), (190, 11140636), (247, 8569720), (260, 8141234), (380, 5570318), (494, 4284860), (520, 4070617), (760, 2785159), (988, 2142430), (1235, 1713944), (1976, 1071215), (2470, 856972), (4940, 428486), (9880, 214243)]