61409740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 151224192

約数和(自身を除く): 89814452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 281, 446, 490, 562, 892, 980, 1115, 1124, 1405, 1561, 1967, 2230, 2810, 3122, 3934, 4460, 5620, 6244, 7805, 7868, 9835, 10927, 13769, 15610, 19670, 21854, 27538, 31220, 39340, 43708, 54635, 55076, 62663, 68845, 109270, 125326, 137690, 218540, 250652, 275380, 313315, 438641, 626630, 877282, 1253260, 1754564, 2193205, 3070487, 4386410, 6140974, 8772820, 12281948, 15352435, 30704870, 61409740]

約数ペア:

[(1, 61409740), (2, 30704870), (4, 15352435), (5, 12281948), (7, 8772820), (10, 6140974), (14, 4386410), (20, 3070487), (28, 2193205), (35, 1754564), (49, 1253260), (70, 877282), (98, 626630), (140, 438641), (196, 313315), (223, 275380), (245, 250652), (281, 218540), (446, 137690), (490, 125326), (562, 109270), (892, 68845), (980, 62663), (1115, 55076), (1124, 54635), (1405, 43708), (1561, 39340), (1967, 31220), (2230, 27538), (2810, 21854), (3122, 19670), (3934, 15610), (4460, 13769), (5620, 10927), (6244, 9835), (7805, 7868)]