89474140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 230436864

約数和(自身を除く): 140962724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 259, 322, 370, 460, 518, 644, 740, 751, 805, 851, 1036, 1295, 1502, 1610, 1702, 2590, 3004, 3220, 3404, 3755, 4255, 5180, 5257, 5957, 7510, 8510, 10514, 11914, 15020, 17020, 17273, 21028, 23828, 26285, 27787, 29785, 34546, 52570, 55574, 59570, 69092, 86365, 105140, 111148, 119140, 120911, 138935, 172730, 194509, 241822, 277870, 345460, 389018, 483644, 555740, 604555, 639101, 778036, 972545, 1209110, 1278202, 1945090, 2418220, 2556404, 3195505, 3890180, 4473707, 6391010, 8947414, 12782020, 17894828, 22368535, 44737070, 89474140]

約数ペア:

[(1, 89474140), (2, 44737070), (4, 22368535), (5, 17894828), (7, 12782020), (10, 8947414), (14, 6391010), (20, 4473707), (23, 3890180), (28, 3195505), (35, 2556404), (37, 2418220), (46, 1945090), (70, 1278202), (74, 1209110), (92, 972545), (115, 778036), (140, 639101), (148, 604555), (161, 555740), (185, 483644), (230, 389018), (259, 345460), (322, 277870), (370, 241822), (460, 194509), (518, 172730), (644, 138935), (740, 120911), (751, 119140), (805, 111148), (851, 105140), (1036, 86365), (1295, 69092), (1502, 59570), (1610, 55574), (1702, 52570), (2590, 34546), (3004, 29785), (3220, 27787), (3404, 26285), (3755, 23828), (4255, 21028), (5180, 17273), (5257, 17020), (5957, 15020), (7510, 11914), (8510, 10514)]