17646340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 40848192

約数和(自身を除く): 23201852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 71, 85, 86, 142, 170, 172, 215, 284, 289, 340, 355, 430, 578, 710, 731, 860, 1156, 1207, 1420, 1445, 1462, 2414, 2890, 2924, 3053, 3655, 4828, 5780, 6035, 6106, 7310, 12070, 12212, 12427, 14620, 15265, 20519, 24140, 24854, 30530, 41038, 49708, 51901, 61060, 62135, 82076, 102595, 103802, 124270, 205190, 207604, 248540, 259505, 410380, 519010, 882317, 1038020, 1764634, 3529268, 4411585, 8823170, 17646340]

約数ペア:

[(1, 17646340), (2, 8823170), (4, 4411585), (5, 3529268), (10, 1764634), (17, 1038020), (20, 882317), (34, 519010), (43, 410380), (68, 259505), (71, 248540), (85, 207604), (86, 205190), (142, 124270), (170, 103802), (172, 102595), (215, 82076), (284, 62135), (289, 61060), (340, 51901), (355, 49708), (430, 41038), (578, 30530), (710, 24854), (731, 24140), (860, 20519), (1156, 15265), (1207, 14620), (1420, 12427), (1445, 12212), (1462, 12070), (2414, 7310), (2890, 6106), (2924, 6035), (3053, 5780), (3655, 4828)]