74890420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 180633600

約数和(自身を除く): 105743180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 139, 155, 158, 220, 278, 310, 316, 341, 395, 556, 620, 682, 695, 790, 869, 1364, 1390, 1529, 1580, 1705, 1738, 2449, 2780, 3058, 3410, 3476, 4309, 4345, 4898, 6116, 6820, 7645, 8618, 8690, 9796, 10981, 12245, 15290, 17236, 17380, 21545, 21962, 24490, 26939, 30580, 43090, 43924, 47399, 48980, 53878, 54905, 86180, 94798, 107756, 109810, 120791, 134695, 189596, 219620, 236995, 241582, 269390, 340411, 473990, 483164, 538780, 603955, 680822, 947980, 1207910, 1361644, 1702055, 2415820, 3404110, 3744521, 6808220, 7489042, 14978084, 18722605, 37445210, 74890420]

約数ペア:

[(1, 74890420), (2, 37445210), (4, 18722605), (5, 14978084), (10, 7489042), (11, 6808220), (20, 3744521), (22, 3404110), (31, 2415820), (44, 1702055), (55, 1361644), (62, 1207910), (79, 947980), (110, 680822), (124, 603955), (139, 538780), (155, 483164), (158, 473990), (220, 340411), (278, 269390), (310, 241582), (316, 236995), (341, 219620), (395, 189596), (556, 134695), (620, 120791), (682, 109810), (695, 107756), (790, 94798), (869, 86180), (1364, 54905), (1390, 53878), (1529, 48980), (1580, 47399), (1705, 43924), (1738, 43090), (2449, 30580), (2780, 26939), (3058, 24490), (3410, 21962), (3476, 21545), (4309, 17380), (4345, 17236), (4898, 15290), (6116, 12245), (6820, 10981), (7645, 9796), (8618, 8690)]