1406737990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{254383}}^1$

素因数の和:254476

約数の個数: 32

約数和(自身を含む): 2930503680

約数和(自身を除く): 1523765690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 254383, 508766, 1271915, 1780681, 2543830, 3561362, 8903405, 17806810, 20096257, 40192514, 100481285, 140673799, 200962570, 281347598, 703368995, 1406737990]

約数ペア:

[(1, 1406737990), (2, 703368995), (5, 281347598), (7, 200962570), (10, 140673799), (14, 100481285), (35, 40192514), (70, 20096257), (79, 17806810), (158, 8903405), (395, 3561362), (553, 2543830), (790, 1780681), (1106, 1271915), (2765, 508766), (5530, 254383)]