142760720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18397}}^1$

素因数の和:18507

約数の個数: 40

約数和(自身を含む): 335358744

約数和(自身を除く): 192598024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 18397, 36794, 73588, 91985, 147176, 183970, 294352, 367940, 735880, 1471760, 1784509, 3569018, 7138036, 8922545, 14276072, 17845090, 28552144, 35690180, 71380360, 142760720]

約数ペア:

[(1, 142760720), (2, 71380360), (4, 35690180), (5, 28552144), (8, 17845090), (10, 14276072), (16, 8922545), (20, 7138036), (40, 3569018), (80, 1784509), (97, 1471760), (194, 735880), (388, 367940), (485, 294352), (776, 183970), (970, 147176), (1552, 91985), (1940, 73588), (3880, 36794), (7760, 18397)]