250382990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 532127232

約数和(自身を除く): 281744242

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 311, 563, 622, 715, 1126, 1430, 1555, 2815, 3110, 3421, 4043, 5630, 6193, 6842, 7319, 8086, 12386, 14638, 17105, 20215, 30965, 34210, 36595, 40430, 44473, 61930, 73190, 80509, 88946, 161018, 175093, 222365, 350186, 402545, 444730, 805090, 875465, 1750930, 1926023, 2276209, 3852046, 4552418, 9630115, 11381045, 19260230, 22762090, 25038299, 50076598, 125191495, 250382990]

約数ペア:

[(1, 250382990), (2, 125191495), (5, 50076598), (10, 25038299), (11, 22762090), (13, 19260230), (22, 11381045), (26, 9630115), (55, 4552418), (65, 3852046), (110, 2276209), (130, 1926023), (143, 1750930), (286, 875465), (311, 805090), (563, 444730), (622, 402545), (715, 350186), (1126, 222365), (1430, 175093), (1555, 161018), (2815, 88946), (3110, 80509), (3421, 73190), (4043, 61930), (5630, 44473), (6193, 40430), (6842, 36595), (7319, 34210), (8086, 30965), (12386, 20215), (14638, 17105)]