18821377900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{3581}}^1$

素因数の和:3932

約数の個数: 108

約数和(自身を含む): 44380378224

約数和(自身を除く): 25559000324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 311, 325, 338, 622, 650, 676, 845, 1244, 1300, 1555, 1690, 3110, 3380, 3581, 4043, 4225, 6220, 7162, 7775, 8086, 8450, 14324, 15550, 16172, 16900, 17905, 20215, 31100, 35810, 40430, 46553, 52559, 71620, 80860, 89525, 93106, 101075, 105118, 179050, 186212, 202150, 210236, 232765, 262795, 358100, 404300, 465530, 525590, 605189, 931060, 1051180, 1113691, 1163825, 1210378, 1313975, 2227382, 2327650, 2420756, 2627950, 3025945, 4454764, 4655300, 5255900, 5568455, 6051890, 11136910, 12103780, 14477983, 15129725, 22273820, 27842275, 28955966, 30259450, 55684550, 57911932, 60518900, 72389915, 111369100, 144779830, 188213779, 289559660, 361949575, 376427558, 723899150, 752855116, 941068895, 1447798300, 1882137790, 3764275580, 4705344475, 9410688950, 18821377900]

約数ペア:

[(1, 18821377900), (2, 9410688950), (4, 4705344475), (5, 3764275580), (10, 1882137790), (13, 1447798300), (20, 941068895), (25, 752855116), (26, 723899150), (50, 376427558), (52, 361949575), (65, 289559660), (100, 188213779), (130, 144779830), (169, 111369100), (260, 72389915), (311, 60518900), (325, 57911932), (338, 55684550), (622, 30259450), (650, 28955966), (676, 27842275), (845, 22273820), (1244, 15129725), (1300, 14477983), (1555, 12103780), (1690, 11136910), (3110, 6051890), (3380, 5568455), (3581, 5255900), (4043, 4655300), (4225, 4454764), (6220, 3025945), (7162, 2627950), (7775, 2420756), (8086, 2327650), (8450, 2227382), (14324, 1313975), (15550, 1210378), (16172, 1163825), (16900, 1113691), (17905, 1051180), (20215, 931060), (31100, 605189), (35810, 525590), (40430, 465530), (46553, 404300), (52559, 358100), (71620, 262795), (80860, 232765), (89525, 210236), (93106, 202150), (101075, 186212), (105118, 179050)]