129954020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7309}}^1$

素因数の和:7452

約数の個数: 48

約数和(自身を含む): 314388480

約数和(自身を除く): 184434460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 7309, 8890, 14618, 17780, 29236, 36545, 51163, 73090, 102326, 146180, 204652, 255815, 511630, 928243, 1023260, 1856486, 3712972, 4641215, 6497701, 9282430, 12995402, 18564860, 25990804, 32488505, 64977010, 129954020]

約数ペア:

[(1, 129954020), (2, 64977010), (4, 32488505), (5, 25990804), (7, 18564860), (10, 12995402), (14, 9282430), (20, 6497701), (28, 4641215), (35, 3712972), (70, 1856486), (127, 1023260), (140, 928243), (254, 511630), (508, 255815), (635, 204652), (889, 146180), (1270, 102326), (1778, 73090), (2540, 51163), (3556, 36545), (4445, 29236), (7309, 17780), (8890, 14618)]