398425820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1367}}^1$

素因数の和:1467

約数の個数: 96

約数和(自身を含む): 965260800

約数和(自身を除く): 566834980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 59, 65, 76, 95, 118, 130, 190, 236, 247, 260, 295, 380, 494, 590, 767, 988, 1121, 1180, 1235, 1367, 1534, 2242, 2470, 2734, 3068, 3835, 4484, 4940, 5468, 5605, 6835, 7670, 11210, 13670, 14573, 15340, 17771, 22420, 25973, 27340, 29146, 35542, 51946, 58292, 71084, 72865, 80653, 88855, 103892, 129865, 145730, 161306, 177710, 259730, 291460, 322612, 337649, 355420, 403265, 519460, 675298, 806530, 1048489, 1350596, 1532407, 1613060, 1688245, 2096978, 3064814, 3376490, 4193956, 5242445, 6129628, 6752980, 7662035, 10484890, 15324070, 19921291, 20969780, 30648140, 39842582, 79685164, 99606455, 199212910, 398425820]

約数ペア:

[(1, 398425820), (2, 199212910), (4, 99606455), (5, 79685164), (10, 39842582), (13, 30648140), (19, 20969780), (20, 19921291), (26, 15324070), (38, 10484890), (52, 7662035), (59, 6752980), (65, 6129628), (76, 5242445), (95, 4193956), (118, 3376490), (130, 3064814), (190, 2096978), (236, 1688245), (247, 1613060), (260, 1532407), (295, 1350596), (380, 1048489), (494, 806530), (590, 675298), (767, 519460), (988, 403265), (1121, 355420), (1180, 337649), (1235, 322612), (1367, 291460), (1534, 259730), (2242, 177710), (2470, 161306), (2734, 145730), (3068, 129865), (3835, 103892), (4484, 88855), (4940, 80653), (5468, 72865), (5605, 71084), (6835, 58292), (7670, 51946), (11210, 35542), (13670, 29146), (14573, 27340), (15340, 25973), (17771, 22420)]