262489180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 620524800

約数和(自身を除く): 358035620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 179, 190, 227, 323, 340, 358, 380, 454, 646, 716, 895, 908, 1135, 1292, 1615, 1790, 2270, 3043, 3230, 3401, 3580, 3859, 4313, 4540, 6086, 6460, 6802, 7718, 8626, 12172, 13604, 15215, 15436, 17005, 17252, 19295, 21565, 30430, 34010, 38590, 40633, 43130, 57817, 60860, 68020, 73321, 77180, 81266, 86260, 115634, 146642, 162532, 203165, 231268, 289085, 293284, 366605, 406330, 578170, 690761, 733210, 772027, 812660, 1156340, 1381522, 1466420, 1544054, 2763044, 3088108, 3453805, 3860135, 6907610, 7720270, 13124459, 13815220, 15440540, 26248918, 52497836, 65622295, 131244590, 262489180]

約数ペア:

[(1, 262489180), (2, 131244590), (4, 65622295), (5, 52497836), (10, 26248918), (17, 15440540), (19, 13815220), (20, 13124459), (34, 7720270), (38, 6907610), (68, 3860135), (76, 3453805), (85, 3088108), (95, 2763044), (170, 1544054), (179, 1466420), (190, 1381522), (227, 1156340), (323, 812660), (340, 772027), (358, 733210), (380, 690761), (454, 578170), (646, 406330), (716, 366605), (895, 293284), (908, 289085), (1135, 231268), (1292, 203165), (1615, 162532), (1790, 146642), (2270, 115634), (3043, 86260), (3230, 81266), (3401, 77180), (3580, 73321), (3859, 68020), (4313, 60860), (4540, 57817), (6086, 43130), (6460, 40633), (6802, 38590), (7718, 34010), (8626, 30430), (12172, 21565), (13604, 19295), (15215, 17252), (15436, 17005)]