205348860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5791}}^1$

素因数の和:6003

約数の個数: 72

約数和(自身を含む): 626161536

約数和(自身を除く): 420812676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5791, 5910, 7092, 8865, 11582, 11820, 17373, 17730, 23164, 28955, 34746, 35460, 52119, 57910, 69492, 86865, 104238, 115820, 173730, 208476, 260595, 347460, 521190, 1042380, 1140827, 2281654, 3422481, 4563308, 5704135, 6844962, 10267443, 11408270, 13689924, 17112405, 20534886, 22816540, 34224810, 41069772, 51337215, 68449620, 102674430, 205348860]

約数ペア:

[(1, 205348860), (2, 102674430), (3, 68449620), (4, 51337215), (5, 41069772), (6, 34224810), (9, 22816540), (10, 20534886), (12, 17112405), (15, 13689924), (18, 11408270), (20, 10267443), (30, 6844962), (36, 5704135), (45, 4563308), (60, 3422481), (90, 2281654), (180, 1140827), (197, 1042380), (394, 521190), (591, 347460), (788, 260595), (985, 208476), (1182, 173730), (1773, 115820), (1970, 104238), (2364, 86865), (2955, 69492), (3546, 57910), (3940, 52119), (5791, 35460), (5910, 34746), (7092, 28955), (8865, 23164), (11582, 17730), (11820, 17373)]