100020420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2179

約数の個数: 120

約数和(自身を含む): 324739800

約数和(自身を除く): 224719380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 783, 810, 870, 1044, 1305, 1566, 1620, 1740, 2129, 2349, 2610, 3132, 3915, 4258, 4698, 5220, 6387, 7830, 8516, 9396, 10645, 11745, 12774, 15660, 19161, 21290, 23490, 25548, 31935, 38322, 42580, 46980, 57483, 61741, 63870, 76644, 95805, 114966, 123482, 127740, 172449, 185223, 191610, 229932, 246964, 287415, 308705, 344898, 370446, 383220, 555669, 574830, 617410, 689796, 740892, 862245, 926115, 1111338, 1149660, 1234820, 1667007, 1724490, 1852230, 2222676, 2778345, 3334014, 3448980, 3704460, 5001021, 5556690, 6668028, 8335035, 10002042, 11113380, 16670070, 20004084, 25005105, 33340140, 50010210, 100020420]

約数ペア:

[(1, 100020420), (2, 50010210), (3, 33340140), (4, 25005105), (5, 20004084), (6, 16670070), (9, 11113380), (10, 10002042), (12, 8335035), (15, 6668028), (18, 5556690), (20, 5001021), (27, 3704460), (29, 3448980), (30, 3334014), (36, 2778345), (45, 2222676), (54, 1852230), (58, 1724490), (60, 1667007), (81, 1234820), (87, 1149660), (90, 1111338), (108, 926115), (116, 862245), (135, 740892), (145, 689796), (162, 617410), (174, 574830), (180, 555669), (261, 383220), (270, 370446), (290, 344898), (324, 308705), (348, 287415), (405, 246964), (435, 229932), (522, 191610), (540, 185223), (580, 172449), (783, 127740), (810, 123482), (870, 114966), (1044, 95805), (1305, 76644), (1566, 63870), (1620, 61741), (1740, 57483), (2129, 46980), (2349, 42580), (2610, 38322), (3132, 31935), (3915, 25548), (4258, 23490), (4698, 21290), (5220, 19161), (6387, 15660), (7830, 12774), (8516, 11745), (9396, 10645)]