320433100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13019

約数の個数: 72

約数和(自身を含む): 788300240

約数和(自身を除く): 467867140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 12973, 24700, 25946, 51892, 64865, 129730, 168649, 246487, 259460, 324325, 337298, 492974, 648650, 674596, 843245, 985948, 1232435, 1297300, 1686490, 2464870, 3204331, 3372980, 4216225, 4929740, 6162175, 6408662, 8432450, 12324350, 12817324, 16021655, 16864900, 24648700, 32043310, 64086620, 80108275, 160216550, 320433100]

約数ペア:

[(1, 320433100), (2, 160216550), (4, 80108275), (5, 64086620), (10, 32043310), (13, 24648700), (19, 16864900), (20, 16021655), (25, 12817324), (26, 12324350), (38, 8432450), (50, 6408662), (52, 6162175), (65, 4929740), (76, 4216225), (95, 3372980), (100, 3204331), (130, 2464870), (190, 1686490), (247, 1297300), (260, 1232435), (325, 985948), (380, 843245), (475, 674596), (494, 648650), (650, 492974), (950, 337298), (988, 324325), (1235, 259460), (1300, 246487), (1900, 168649), (2470, 129730), (4940, 64865), (6175, 51892), (12350, 25946), (12973, 24700)]