2899820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 7756560

約数和(自身を除く): 4856740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 269, 308, 385, 490, 538, 539, 770, 980, 1076, 1078, 1345, 1540, 1883, 2156, 2690, 2695, 2959, 3766, 5380, 5390, 5918, 7532, 9415, 10780, 11836, 13181, 14795, 18830, 20713, 26362, 29590, 37660, 41426, 52724, 59180, 65905, 82852, 103565, 131810, 144991, 207130, 263620, 289982, 414260, 579964, 724955, 1449910, 2899820]

約数ペア:

[(1, 2899820), (2, 1449910), (4, 724955), (5, 579964), (7, 414260), (10, 289982), (11, 263620), (14, 207130), (20, 144991), (22, 131810), (28, 103565), (35, 82852), (44, 65905), (49, 59180), (55, 52724), (70, 41426), (77, 37660), (98, 29590), (110, 26362), (140, 20713), (154, 18830), (196, 14795), (220, 13181), (245, 11836), (269, 10780), (308, 9415), (385, 7532), (490, 5918), (538, 5390), (539, 5380), (770, 3766), (980, 2959), (1076, 2695), (1078, 2690), (1345, 2156), (1540, 1883)]