2116788460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{7121}}^1$

素因数の和:7386

約数の個数: 48

約数和(自身を含む): 4522754880

約数和(自身を除く): 2405966420

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 668, 835, 890, 1670, 1780, 3340, 7121, 14242, 14863, 28484, 29726, 35605, 59452, 71210, 74315, 142420, 148630, 297260, 633769, 1189207, 1267538, 2378414, 2535076, 3168845, 4756828, 5946035, 6337690, 11892070, 12675380, 23784140, 105839423, 211678846, 423357692, 529197115, 1058394230, 2116788460]

約数ペア:

[(1, 2116788460), (2, 1058394230), (4, 529197115), (5, 423357692), (10, 211678846), (20, 105839423), (89, 23784140), (167, 12675380), (178, 11892070), (334, 6337690), (356, 5946035), (445, 4756828), (668, 3168845), (835, 2535076), (890, 2378414), (1670, 1267538), (1780, 1189207), (3340, 633769), (7121, 297260), (14242, 148630), (14863, 142420), (28484, 74315), (29726, 71210), (35605, 59452)]