248734360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 665786880

約数和(自身を除く): 417052520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 73, 86, 140, 146, 172, 215, 280, 283, 292, 301, 344, 365, 430, 511, 566, 584, 602, 730, 860, 1022, 1132, 1204, 1415, 1460, 1505, 1720, 1981, 2044, 2264, 2408, 2555, 2830, 2920, 3010, 3139, 3962, 4088, 5110, 5660, 6020, 6278, 7924, 9905, 10220, 11320, 12040, 12169, 12556, 15695, 15848, 19810, 20440, 20659, 21973, 24338, 25112, 31390, 39620, 41318, 43946, 48676, 60845, 62780, 79240, 82636, 85183, 87892, 97352, 103295, 109865, 121690, 125560, 144613, 165272, 170366, 175784, 206590, 219730, 243380, 289226, 340732, 413180, 425915, 439460, 486760, 578452, 681464, 723065, 826360, 851830, 878920, 888337, 1156904, 1446130, 1703660, 1776674, 2892260, 3407320, 3553348, 4441685, 5784520, 6218359, 7106696, 8883370, 12436718, 17766740, 24873436, 31091795, 35533480, 49746872, 62183590, 124367180, 248734360]

約数ペア:

[(1, 248734360), (2, 124367180), (4, 62183590), (5, 49746872), (7, 35533480), (8, 31091795), (10, 24873436), (14, 17766740), (20, 12436718), (28, 8883370), (35, 7106696), (40, 6218359), (43, 5784520), (56, 4441685), (70, 3553348), (73, 3407320), (86, 2892260), (140, 1776674), (146, 1703660), (172, 1446130), (215, 1156904), (280, 888337), (283, 878920), (292, 851830), (301, 826360), (344, 723065), (365, 681464), (430, 578452), (511, 486760), (566, 439460), (584, 425915), (602, 413180), (730, 340732), (860, 289226), (1022, 243380), (1132, 219730), (1204, 206590), (1415, 175784), (1460, 170366), (1505, 165272), (1720, 144613), (1981, 125560), (2044, 121690), (2264, 109865), (2408, 103295), (2555, 97352), (2830, 87892), (2920, 85183), (3010, 82636), (3139, 79240), (3962, 62780), (4088, 60845), (5110, 48676), (5660, 43946), (6020, 41318), (6278, 39620), (7924, 31390), (9905, 25112), (10220, 24338), (11320, 21973), (12040, 20659), (12169, 20440), (12556, 19810), (15695, 15848)]