818984740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2225

約数の個数: 96

約数和(自身を含む): 2083737600

約数和(自身を除く): 1264752860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 151, 190, 266, 302, 380, 532, 604, 665, 755, 1057, 1330, 1510, 2039, 2114, 2660, 2869, 3020, 4078, 4228, 5285, 5738, 8156, 10195, 10570, 11476, 14273, 14345, 20083, 20390, 21140, 28546, 28690, 38741, 40166, 40780, 57092, 57380, 71365, 77482, 80332, 100415, 142730, 154964, 193705, 200830, 271187, 285460, 307889, 387410, 401660, 542374, 615778, 774820, 1084748, 1231556, 1355935, 1539445, 2155223, 2711870, 3078890, 4310446, 5423740, 5849891, 6157780, 8620892, 10776115, 11699782, 21552230, 23399564, 29249455, 40949237, 43104460, 58498910, 81898474, 116997820, 163796948, 204746185, 409492370, 818984740]

約数ペア:

[(1, 818984740), (2, 409492370), (4, 204746185), (5, 163796948), (7, 116997820), (10, 81898474), (14, 58498910), (19, 43104460), (20, 40949237), (28, 29249455), (35, 23399564), (38, 21552230), (70, 11699782), (76, 10776115), (95, 8620892), (133, 6157780), (140, 5849891), (151, 5423740), (190, 4310446), (266, 3078890), (302, 2711870), (380, 2155223), (532, 1539445), (604, 1355935), (665, 1231556), (755, 1084748), (1057, 774820), (1330, 615778), (1510, 542374), (2039, 401660), (2114, 387410), (2660, 307889), (2869, 285460), (3020, 271187), (4078, 200830), (4228, 193705), (5285, 154964), (5738, 142730), (8156, 100415), (10195, 80332), (10570, 77482), (11476, 71365), (14273, 57380), (14345, 57092), (20083, 40780), (20390, 40166), (21140, 38741), (28546, 28690)]