256996975540

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{773}}^1\times {\mathrm{43403}}^1$

素因数の和:44568

約数の個数: 48

約数和(自身を含む): 541815257088

約数和(自身を除く): 284818281548

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 773, 1532, 1546, 1915, 3092, 3830, 3865, 7660, 7730, 15460, 43403, 86806, 173612, 217015, 296059, 434030, 592118, 868060, 1184236, 1480295, 2960590, 5921180, 16623349, 33246698, 33550519, 66493396, 67101038, 83116745, 134202076, 166233490, 167752595, 332466980, 335505190, 671010380, 12849848777, 25699697554, 51399395108, 64249243885, 128498487770, 256996975540]

約数ペア:

[(1, 256996975540), (2, 128498487770), (4, 64249243885), (5, 51399395108), (10, 25699697554), (20, 12849848777), (383, 671010380), (766, 335505190), (773, 332466980), (1532, 167752595), (1546, 166233490), (1915, 134202076), (3092, 83116745), (3830, 67101038), (3865, 66493396), (7660, 33550519), (7730, 33246698), (15460, 16623349), (43403, 5921180), (86806, 2960590), (173612, 1480295), (217015, 1184236), (296059, 868060), (434030, 592118)]