1969969550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1178

約数の個数: 72

約数和(自身を含む): 3888032400

約数和(自身を除く): 1918062850

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 529, 575, 710, 1049, 1058, 1150, 1633, 1775, 2098, 2645, 3266, 3550, 5245, 5290, 8165, 10490, 13225, 16330, 24127, 26225, 26450, 37559, 40825, 48254, 52450, 74479, 75118, 81650, 120635, 148958, 187795, 241270, 372395, 375590, 554921, 603175, 744790, 938975, 1109842, 1206350, 1713017, 1861975, 1877950, 2774605, 3426034, 3723950, 5549210, 8565085, 13873025, 17130170, 27746050, 39399391, 42825425, 78798782, 85650850, 196996955, 393993910, 984984775, 1969969550]

約数ペア:

[(1, 1969969550), (2, 984984775), (5, 393993910), (10, 196996955), (23, 85650850), (25, 78798782), (46, 42825425), (50, 39399391), (71, 27746050), (115, 17130170), (142, 13873025), (230, 8565085), (355, 5549210), (529, 3723950), (575, 3426034), (710, 2774605), (1049, 1877950), (1058, 1861975), (1150, 1713017), (1633, 1206350), (1775, 1109842), (2098, 938975), (2645, 744790), (3266, 603175), (3550, 554921), (5245, 375590), (5290, 372395), (8165, 241270), (10490, 187795), (13225, 148958), (16330, 120635), (24127, 81650), (26225, 75118), (26450, 74479), (37559, 52450), (40825, 48254)]