12719740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 19939460

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 179, 187, 190, 209, 220, 323, 340, 358, 374, 380, 418, 646, 716, 748, 836, 895, 935, 1045, 1292, 1615, 1790, 1870, 1969, 2090, 3043, 3230, 3401, 3553, 3580, 3740, 3938, 4180, 6086, 6460, 6802, 7106, 7876, 9845, 12172, 13604, 14212, 15215, 17005, 17765, 19690, 30430, 33473, 34010, 35530, 37411, 39380, 57817, 60860, 66946, 68020, 71060, 74822, 115634, 133892, 149644, 167365, 187055, 231268, 289085, 334730, 374110, 578170, 635987, 669460, 748220, 1156340, 1271974, 2543948, 3179935, 6359870, 12719740]

約数ペア:

[(1, 12719740), (2, 6359870), (4, 3179935), (5, 2543948), (10, 1271974), (11, 1156340), (17, 748220), (19, 669460), (20, 635987), (22, 578170), (34, 374110), (38, 334730), (44, 289085), (55, 231268), (68, 187055), (76, 167365), (85, 149644), (95, 133892), (110, 115634), (170, 74822), (179, 71060), (187, 68020), (190, 66946), (209, 60860), (220, 57817), (323, 39380), (340, 37411), (358, 35530), (374, 34010), (380, 33473), (418, 30430), (646, 19690), (716, 17765), (748, 17005), (836, 15215), (895, 14212), (935, 13604), (1045, 12172), (1292, 9845), (1615, 7876), (1790, 7106), (1870, 6802), (1969, 6460), (2090, 6086), (3043, 4180), (3230, 3938), (3401, 3740), (3553, 3580)]