128562980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70639}}^1$

素因数の和:70668

約数の個数: 48

約数和(自身を含む): 332290560

約数和(自身を除く): 203727580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70639, 141278, 282556, 353195, 494473, 706390, 918307, 988946, 1412780, 1836614, 1977892, 2472365, 3673228, 4591535, 4944730, 6428149, 9183070, 9889460, 12856298, 18366140, 25712596, 32140745, 64281490, 128562980]

約数ペア:

[(1, 128562980), (2, 64281490), (4, 32140745), (5, 25712596), (7, 18366140), (10, 12856298), (13, 9889460), (14, 9183070), (20, 6428149), (26, 4944730), (28, 4591535), (35, 3673228), (52, 2472365), (65, 1977892), (70, 1836614), (91, 1412780), (130, 988946), (140, 918307), (182, 706390), (260, 494473), (364, 353195), (455, 282556), (910, 141278), (1820, 70639)]