788709100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3853}}^1$

素因数の和:3979

約数の個数: 72

約数和(自身を含む): 1806446880

約数和(自身を除く): 1017737780

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1150, 1780, 2047, 2225, 2300, 3853, 4094, 4450, 7706, 8188, 8900, 10235, 15412, 19265, 20470, 38530, 40940, 51175, 77060, 88619, 96325, 102350, 177238, 192650, 204700, 342917, 354476, 385300, 443095, 685834, 886190, 1371668, 1714585, 1772380, 2215475, 3429170, 4430950, 6858340, 7887091, 8572925, 8861900, 15774182, 17145850, 31548364, 34291700, 39435455, 78870910, 157741820, 197177275, 394354550, 788709100]

約数ペア:

[(1, 788709100), (2, 394354550), (4, 197177275), (5, 157741820), (10, 78870910), (20, 39435455), (23, 34291700), (25, 31548364), (46, 17145850), (50, 15774182), (89, 8861900), (92, 8572925), (100, 7887091), (115, 6858340), (178, 4430950), (230, 3429170), (356, 2215475), (445, 1772380), (460, 1714585), (575, 1371668), (890, 886190), (1150, 685834), (1780, 443095), (2047, 385300), (2225, 354476), (2300, 342917), (3853, 204700), (4094, 192650), (4450, 177238), (7706, 102350), (8188, 96325), (8900, 88619), (10235, 77060), (15412, 51175), (19265, 40940), (20470, 38530)]