79687300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 219985920

約数和(自身を除く): 140298620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 79, 100, 110, 131, 140, 154, 158, 175, 220, 262, 275, 308, 316, 350, 385, 395, 524, 550, 553, 655, 700, 770, 790, 869, 917, 1100, 1106, 1310, 1441, 1540, 1580, 1738, 1834, 1925, 1975, 2212, 2620, 2765, 2882, 3275, 3476, 3668, 3850, 3950, 4345, 4585, 5530, 5764, 6083, 6550, 7205, 7700, 7900, 8690, 9170, 10087, 10349, 11060, 12166, 13100, 13825, 14410, 17380, 18340, 20174, 20698, 21725, 22925, 24332, 27650, 28820, 30415, 36025, 40348, 41396, 43450, 45850, 50435, 51745, 55300, 60830, 72050, 72443, 86900, 91700, 100870, 103490, 113839, 121660, 144100, 144886, 152075, 201740, 206980, 227678, 252175, 258725, 289772, 304150, 362215, 455356, 504350, 517450, 569195, 608300, 724430, 796873, 1008700, 1034900, 1138390, 1448860, 1593746, 1811075, 2276780, 2845975, 3187492, 3622150, 3984365, 5691950, 7244300, 7968730, 11383900, 15937460, 19921825, 39843650, 79687300]

約数ペア:

[(1, 79687300), (2, 39843650), (4, 19921825), (5, 15937460), (7, 11383900), (10, 7968730), (11, 7244300), (14, 5691950), (20, 3984365), (22, 3622150), (25, 3187492), (28, 2845975), (35, 2276780), (44, 1811075), (50, 1593746), (55, 1448860), (70, 1138390), (77, 1034900), (79, 1008700), (100, 796873), (110, 724430), (131, 608300), (140, 569195), (154, 517450), (158, 504350), (175, 455356), (220, 362215), (262, 304150), (275, 289772), (308, 258725), (316, 252175), (350, 227678), (385, 206980), (395, 201740), (524, 152075), (550, 144886), (553, 144100), (655, 121660), (700, 113839), (770, 103490), (790, 100870), (869, 91700), (917, 86900), (1100, 72443), (1106, 72050), (1310, 60830), (1441, 55300), (1540, 51745), (1580, 50435), (1738, 45850), (1834, 43450), (1925, 41396), (1975, 40348), (2212, 36025), (2620, 30415), (2765, 28820), (2882, 27650), (3275, 24332), (3476, 22925), (3668, 21725), (3850, 20698), (3950, 20174), (4345, 18340), (4585, 17380), (5530, 14410), (5764, 13825), (6083, 13100), (6550, 12166), (7205, 11060), (7700, 10349), (7900, 10087), (8690, 9170)]