353290300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 839477520

約数和(自身を除く): 486187220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 397, 550, 794, 809, 1100, 1588, 1618, 1985, 3236, 3970, 4045, 4367, 7940, 8090, 8734, 8899, 9925, 16180, 17468, 17798, 19850, 20225, 21835, 35596, 39700, 40450, 43670, 44495, 80900, 87340, 88990, 109175, 177980, 218350, 222475, 321173, 436700, 444950, 642346, 889900, 1284692, 1605865, 3211730, 3532903, 6423460, 7065806, 8029325, 14131612, 16058650, 17664515, 32117300, 35329030, 70658060, 88322575, 176645150, 353290300]

約数ペア:

[(1, 353290300), (2, 176645150), (4, 88322575), (5, 70658060), (10, 35329030), (11, 32117300), (20, 17664515), (22, 16058650), (25, 14131612), (44, 8029325), (50, 7065806), (55, 6423460), (100, 3532903), (110, 3211730), (220, 1605865), (275, 1284692), (397, 889900), (550, 642346), (794, 444950), (809, 436700), (1100, 321173), (1588, 222475), (1618, 218350), (1985, 177980), (3236, 109175), (3970, 88990), (4045, 87340), (4367, 80900), (7940, 44495), (8090, 43670), (8734, 40450), (8899, 39700), (9925, 35596), (16180, 21835), (17468, 20225), (17798, 19850)]