16881340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 44198784

約数和(自身を除く): 27317444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 140, 164, 170, 173, 205, 238, 287, 340, 346, 410, 476, 574, 595, 692, 697, 820, 865, 1148, 1190, 1211, 1394, 1435, 1730, 2380, 2422, 2788, 2870, 2941, 3460, 3485, 4844, 4879, 5740, 5882, 6055, 6970, 7093, 9758, 11764, 12110, 13940, 14186, 14705, 19516, 20587, 24220, 24395, 28372, 29410, 35465, 41174, 48790, 49651, 58820, 70930, 82348, 97580, 99302, 102935, 120581, 141860, 198604, 205870, 241162, 248255, 411740, 482324, 496510, 602905, 844067, 993020, 1205810, 1688134, 2411620, 3376268, 4220335, 8440670, 16881340]

約数ペア:

[(1, 16881340), (2, 8440670), (4, 4220335), (5, 3376268), (7, 2411620), (10, 1688134), (14, 1205810), (17, 993020), (20, 844067), (28, 602905), (34, 496510), (35, 482324), (41, 411740), (68, 248255), (70, 241162), (82, 205870), (85, 198604), (119, 141860), (140, 120581), (164, 102935), (170, 99302), (173, 97580), (205, 82348), (238, 70930), (287, 58820), (340, 49651), (346, 48790), (410, 41174), (476, 35465), (574, 29410), (595, 28372), (692, 24395), (697, 24220), (820, 20587), (865, 19516), (1148, 14705), (1190, 14186), (1211, 13940), (1394, 12110), (1435, 11764), (1730, 9758), (2380, 7093), (2422, 6970), (2788, 6055), (2870, 5882), (2941, 5740), (3460, 4879), (3485, 4844)]