77826100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 185925600

約数和(自身を除く): 108099500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 509, 550, 556, 695, 1018, 1100, 1390, 1529, 2036, 2545, 2780, 3058, 3475, 5090, 5599, 6116, 6950, 7645, 10180, 11198, 12725, 13900, 15290, 22396, 25450, 27995, 30580, 38225, 50900, 55990, 70751, 76450, 111980, 139975, 141502, 152900, 279950, 283004, 353755, 559900, 707510, 778261, 1415020, 1556522, 1768775, 3113044, 3537550, 3891305, 7075100, 7782610, 15565220, 19456525, 38913050, 77826100]

約数ペア:

[(1, 77826100), (2, 38913050), (4, 19456525), (5, 15565220), (10, 7782610), (11, 7075100), (20, 3891305), (22, 3537550), (25, 3113044), (44, 1768775), (50, 1556522), (55, 1415020), (100, 778261), (110, 707510), (139, 559900), (220, 353755), (275, 283004), (278, 279950), (509, 152900), (550, 141502), (556, 139975), (695, 111980), (1018, 76450), (1100, 70751), (1390, 55990), (1529, 50900), (2036, 38225), (2545, 30580), (2780, 27995), (3058, 25450), (3475, 22396), (5090, 15290), (5599, 13900), (6116, 12725), (6950, 11198), (7645, 10180)]