440070820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{13043}}^1$

素因数の和:13300

約数の個数: 48

約数和(自身を含む): 1060633728

約数和(自身を除く): 620562908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4820, 6748, 8435, 13043, 16870, 26086, 33740, 52172, 65215, 91301, 130430, 182602, 260860, 365204, 456505, 913010, 1826020, 3143363, 6286726, 12573452, 15716815, 22003541, 31433630, 44007082, 62867260, 88014164, 110017705, 220035410, 440070820]

約数ペア:

[(1, 440070820), (2, 220035410), (4, 110017705), (5, 88014164), (7, 62867260), (10, 44007082), (14, 31433630), (20, 22003541), (28, 15716815), (35, 12573452), (70, 6286726), (140, 3143363), (241, 1826020), (482, 913010), (964, 456505), (1205, 365204), (1687, 260860), (2410, 182602), (3374, 130430), (4820, 91301), (6748, 65215), (8435, 52172), (13043, 33740), (16870, 26086)]