209898750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:499

約数の個数: 80

約数和(自身を含む): 529030656

約数和(自身を除く): 319131906

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 223, 250, 251, 375, 446, 502, 625, 669, 750, 753, 1115, 1250, 1255, 1338, 1506, 1875, 2230, 2510, 3345, 3750, 3765, 5575, 6275, 6690, 7530, 11150, 12550, 16725, 18825, 27875, 31375, 33450, 37650, 55750, 55973, 62750, 83625, 94125, 111946, 139375, 156875, 167250, 167919, 188250, 278750, 279865, 313750, 335838, 418125, 470625, 559730, 836250, 839595, 941250, 1399325, 1679190, 2798650, 4197975, 6996625, 8395950, 13993250, 20989875, 34983125, 41979750, 69966250, 104949375, 209898750]

約数ペア:

[(1, 209898750), (2, 104949375), (3, 69966250), (5, 41979750), (6, 34983125), (10, 20989875), (15, 13993250), (25, 8395950), (30, 6996625), (50, 4197975), (75, 2798650), (125, 1679190), (150, 1399325), (223, 941250), (250, 839595), (251, 836250), (375, 559730), (446, 470625), (502, 418125), (625, 335838), (669, 313750), (750, 279865), (753, 278750), (1115, 188250), (1250, 167919), (1255, 167250), (1338, 156875), (1506, 139375), (1875, 111946), (2230, 94125), (2510, 83625), (3345, 62750), (3750, 55973), (3765, 55750), (5575, 37650), (6275, 33450), (6690, 31375), (7530, 27875), (11150, 18825), (12550, 16725)]