1808967550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{2207}}^1$

素因数の和:2342

約数の個数: 72

約数和(自身を含む): 3682639296

約数和(自身を除く): 1873671746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 169, 194, 325, 338, 485, 650, 845, 970, 1261, 1690, 2207, 2425, 2522, 4225, 4414, 4850, 6305, 8450, 11035, 12610, 16393, 22070, 28691, 31525, 32786, 55175, 57382, 63050, 81965, 110350, 143455, 163930, 214079, 286910, 372983, 409825, 428158, 717275, 745966, 819650, 1070395, 1434550, 1864915, 2140790, 2783027, 3729830, 5351975, 5566054, 9324575, 10703950, 13915135, 18649150, 27830270, 36179351, 69575675, 72358702, 139151350, 180896755, 361793510, 904483775, 1808967550]

約数ペア:

[(1, 1808967550), (2, 904483775), (5, 361793510), (10, 180896755), (13, 139151350), (25, 72358702), (26, 69575675), (50, 36179351), (65, 27830270), (97, 18649150), (130, 13915135), (169, 10703950), (194, 9324575), (325, 5566054), (338, 5351975), (485, 3729830), (650, 2783027), (845, 2140790), (970, 1864915), (1261, 1434550), (1690, 1070395), (2207, 819650), (2425, 745966), (2522, 717275), (4225, 428158), (4414, 409825), (4850, 372983), (6305, 286910), (8450, 214079), (11035, 163930), (12610, 143455), (16393, 110350), (22070, 81965), (28691, 63050), (31525, 57382), (32786, 55175)]