75050000

素因数分解:

$2^4\times 5^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 193737600

約数和(自身を除く): 118687600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 79, 80, 95, 100, 125, 152, 158, 190, 200, 250, 304, 316, 380, 395, 400, 475, 500, 625, 632, 760, 790, 950, 1000, 1250, 1264, 1501, 1520, 1580, 1900, 1975, 2000, 2375, 2500, 3002, 3125, 3160, 3800, 3950, 4750, 5000, 6004, 6250, 6320, 7505, 7600, 7900, 9500, 9875, 10000, 11875, 12008, 12500, 15010, 15800, 19000, 19750, 23750, 24016, 25000, 30020, 31600, 37525, 38000, 39500, 47500, 49375, 50000, 59375, 60040, 75050, 79000, 95000, 98750, 118750, 120080, 150100, 158000, 187625, 190000, 197500, 237500, 246875, 300200, 375250, 395000, 475000, 493750, 600400, 750500, 790000, 938125, 950000, 987500, 1501000, 1876250, 1975000, 3002000, 3752500, 3950000, 4690625, 7505000, 9381250, 15010000, 18762500, 37525000, 75050000]

約数ペア:

[(1, 75050000), (2, 37525000), (4, 18762500), (5, 15010000), (8, 9381250), (10, 7505000), (16, 4690625), (19, 3950000), (20, 3752500), (25, 3002000), (38, 1975000), (40, 1876250), (50, 1501000), (76, 987500), (79, 950000), (80, 938125), (95, 790000), (100, 750500), (125, 600400), (152, 493750), (158, 475000), (190, 395000), (200, 375250), (250, 300200), (304, 246875), (316, 237500), (380, 197500), (395, 190000), (400, 187625), (475, 158000), (500, 150100), (625, 120080), (632, 118750), (760, 98750), (790, 95000), (950, 79000), (1000, 75050), (1250, 60040), (1264, 59375), (1501, 50000), (1520, 49375), (1580, 47500), (1900, 39500), (1975, 38000), (2000, 37525), (2375, 31600), (2500, 30020), (3002, 25000), (3125, 24016), (3160, 23750), (3800, 19750), (3950, 19000), (4750, 15800), (5000, 15010), (6004, 12500), (6250, 12008), (6320, 11875), (7505, 10000), (7600, 9875), (7900, 9500)]