225025900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6599}}^1$

素因数の和:6655

約数の個数: 72

約数和(自身を含む): 549964800

約数和(自身を除く): 324938900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6599, 6820, 8525, 13198, 17050, 26396, 32995, 34100, 65990, 72589, 131980, 145178, 164975, 204569, 290356, 329950, 362945, 409138, 659900, 725890, 818276, 1022845, 1451780, 1814725, 2045690, 2250259, 3629450, 4091380, 4500518, 5114225, 7258900, 9001036, 10228450, 11251295, 20456900, 22502590, 45005180, 56256475, 112512950, 225025900]

約数ペア:

[(1, 225025900), (2, 112512950), (4, 56256475), (5, 45005180), (10, 22502590), (11, 20456900), (20, 11251295), (22, 10228450), (25, 9001036), (31, 7258900), (44, 5114225), (50, 4500518), (55, 4091380), (62, 3629450), (100, 2250259), (110, 2045690), (124, 1814725), (155, 1451780), (220, 1022845), (275, 818276), (310, 725890), (341, 659900), (550, 409138), (620, 362945), (682, 329950), (775, 290356), (1100, 204569), (1364, 164975), (1550, 145178), (1705, 131980), (3100, 72589), (3410, 65990), (6599, 34100), (6820, 32995), (8525, 26396), (13198, 17050)]