209212040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5857}}^1$

素因数の和:5934

約数の個数: 64

約数和(自身を含む): 506131200

約数和(自身を除く): 296919160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 5857, 7144, 8930, 11714, 17860, 23428, 29285, 35720, 46856, 58570, 111283, 117140, 222566, 234280, 275279, 445132, 550558, 556415, 890264, 1101116, 1112830, 1376395, 2202232, 2225660, 2752790, 4451320, 5230301, 5505580, 10460602, 11011160, 20921204, 26151505, 41842408, 52303010, 104606020, 209212040]

約数ペア:

[(1, 209212040), (2, 104606020), (4, 52303010), (5, 41842408), (8, 26151505), (10, 20921204), (19, 11011160), (20, 10460602), (38, 5505580), (40, 5230301), (47, 4451320), (76, 2752790), (94, 2225660), (95, 2202232), (152, 1376395), (188, 1112830), (190, 1101116), (235, 890264), (376, 556415), (380, 550558), (470, 445132), (760, 275279), (893, 234280), (940, 222566), (1786, 117140), (1880, 111283), (3572, 58570), (4465, 46856), (5857, 35720), (7144, 29285), (8930, 23428), (11714, 17860)]