311935580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 729174096

約数和(自身を除く): 417238516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 332, 415, 484, 605, 830, 913, 1210, 1553, 1660, 1826, 2420, 3106, 3652, 4565, 6212, 7765, 9130, 10043, 15530, 17083, 18260, 20086, 31060, 34166, 40172, 50215, 68332, 85415, 100430, 128899, 170830, 187913, 200860, 257798, 341660, 375826, 515596, 644495, 751652, 939565, 1288990, 1417889, 1879130, 2577980, 2835778, 3758260, 5671556, 7089445, 14178890, 15596779, 28357780, 31193558, 62387116, 77983895, 155967790, 311935580]

約数ペア:

[(1, 311935580), (2, 155967790), (4, 77983895), (5, 62387116), (10, 31193558), (11, 28357780), (20, 15596779), (22, 14178890), (44, 7089445), (55, 5671556), (83, 3758260), (110, 2835778), (121, 2577980), (166, 1879130), (220, 1417889), (242, 1288990), (332, 939565), (415, 751652), (484, 644495), (605, 515596), (830, 375826), (913, 341660), (1210, 257798), (1553, 200860), (1660, 187913), (1826, 170830), (2420, 128899), (3106, 100430), (3652, 85415), (4565, 68332), (6212, 50215), (7765, 40172), (9130, 34166), (10043, 31060), (15530, 20086), (17083, 18260)]