11981500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 27046656

約数和(自身を除く): 15065156

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 773, 775, 1546, 1550, 3092, 3100, 3865, 3875, 7730, 7750, 15460, 15500, 19325, 23963, 38650, 47926, 77300, 95852, 96625, 119815, 193250, 239630, 386500, 479260, 599075, 1198150, 2396300, 2995375, 5990750, 11981500]

約数ペア:

[(1, 11981500), (2, 5990750), (4, 2995375), (5, 2396300), (10, 1198150), (20, 599075), (25, 479260), (31, 386500), (50, 239630), (62, 193250), (100, 119815), (124, 96625), (125, 95852), (155, 77300), (250, 47926), (310, 38650), (500, 23963), (620, 19325), (773, 15500), (775, 15460), (1546, 7750), (1550, 7730), (3092, 3875), (3100, 3865)]