388489780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 1059028992

約数和(自身を除く): 670539212

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 47, 68, 70, 85, 92, 94, 115, 119, 140, 151, 161, 170, 188, 230, 235, 238, 302, 322, 329, 340, 391, 460, 470, 476, 595, 604, 644, 658, 755, 782, 799, 805, 940, 1057, 1081, 1190, 1316, 1510, 1564, 1598, 1610, 1645, 1955, 2114, 2162, 2380, 2567, 2737, 3020, 3196, 3220, 3290, 3473, 3910, 3995, 4228, 4324, 5134, 5285, 5405, 5474, 5593, 6580, 6946, 7097, 7567, 7820, 7990, 10268, 10570, 10810, 10948, 11186, 12835, 13685, 13892, 14194, 15134, 15980, 17365, 17969, 18377, 21140, 21620, 22372, 24311, 25670, 27370, 27965, 28388, 30268, 34730, 35485, 35938, 36754, 37835, 48622, 49679, 51340, 54740, 55930, 59041, 69460, 70970, 71876, 73508, 75670, 89845, 91885, 97244, 99358, 111860, 118082, 120649, 121555, 128639, 141940, 151340, 163231, 179690, 183770, 198716, 236164, 241298, 243110, 248395, 257278, 295205, 326462, 359380, 367540, 413287, 482596, 486220, 496790, 514556, 590410, 603245, 643195, 652924, 816155, 826574, 844543, 993580, 1142617, 1180820, 1206490, 1286390, 1632310, 1653148, 1689086, 2066435, 2285234, 2412980, 2572780, 2774927, 3264620, 3378172, 4132870, 4222715, 4570468, 5549854, 5713085, 8265740, 8445430, 11099708, 11426170, 13874635, 16890860, 19424489, 22852340, 27749270, 38848978, 55498540, 77697956, 97122445, 194244890, 388489780]

約数ペア:

[(1, 388489780), (2, 194244890), (4, 97122445), (5, 77697956), (7, 55498540), (10, 38848978), (14, 27749270), (17, 22852340), (20, 19424489), (23, 16890860), (28, 13874635), (34, 11426170), (35, 11099708), (46, 8445430), (47, 8265740), (68, 5713085), (70, 5549854), (85, 4570468), (92, 4222715), (94, 4132870), (115, 3378172), (119, 3264620), (140, 2774927), (151, 2572780), (161, 2412980), (170, 2285234), (188, 2066435), (230, 1689086), (235, 1653148), (238, 1632310), (302, 1286390), (322, 1206490), (329, 1180820), (340, 1142617), (391, 993580), (460, 844543), (470, 826574), (476, 816155), (595, 652924), (604, 643195), (644, 603245), (658, 590410), (755, 514556), (782, 496790), (799, 486220), (805, 482596), (940, 413287), (1057, 367540), (1081, 359380), (1190, 326462), (1316, 295205), (1510, 257278), (1564, 248395), (1598, 243110), (1610, 241298), (1645, 236164), (1955, 198716), (2114, 183770), (2162, 179690), (2380, 163231), (2567, 151340), (2737, 141940), (3020, 128639), (3196, 121555), (3220, 120649), (3290, 118082), (3473, 111860), (3910, 99358), (3995, 97244), (4228, 91885), (4324, 89845), (5134, 75670), (5285, 73508), (5405, 71876), (5474, 70970), (5593, 69460), (6580, 59041), (6946, 55930), (7097, 54740), (7567, 51340), (7820, 49679), (7990, 48622), (10268, 37835), (10570, 36754), (10810, 35938), (10948, 35485), (11186, 34730), (12835, 30268), (13685, 28388), (13892, 27965), (14194, 27370), (15134, 25670), (15980, 24311), (17365, 22372), (17969, 21620), (18377, 21140)]