102402920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 239500800

約数和(自身を除く): 137097880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 307, 310, 538, 614, 620, 1076, 1228, 1240, 1345, 1535, 2152, 2456, 2690, 3070, 5380, 6140, 8339, 9517, 10760, 12280, 16678, 19034, 33356, 38068, 41695, 47585, 66712, 76136, 82583, 83390, 95170, 165166, 166780, 190340, 330332, 333560, 380680, 412915, 660664, 825830, 1651660, 2560073, 3303320, 5120146, 10240292, 12800365, 20480584, 25600730, 51201460, 102402920]

約数ペア:

[(1, 102402920), (2, 51201460), (4, 25600730), (5, 20480584), (8, 12800365), (10, 10240292), (20, 5120146), (31, 3303320), (40, 2560073), (62, 1651660), (124, 825830), (155, 660664), (248, 412915), (269, 380680), (307, 333560), (310, 330332), (538, 190340), (614, 166780), (620, 165166), (1076, 95170), (1228, 83390), (1240, 82583), (1345, 76136), (1535, 66712), (2152, 47585), (2456, 41695), (2690, 38068), (3070, 33356), (5380, 19034), (6140, 16678), (8339, 12280), (9517, 10760)]