17985331220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{163771}}^1$

素因数の和:163833

約数の個数: 72

約数和(自身を含む): 42233523360

約数和(自身を除く): 24248192140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 5491, 5780, 6460, 10982, 21964, 27455, 54910, 109820, 163771, 327542, 655084, 818855, 1637710, 2784107, 3111649, 3275420, 5568214, 6223298, 11136428, 12446596, 13920535, 15558245, 27841070, 31116490, 47329819, 52898033, 55682140, 62232980, 94659638, 105796066, 189319276, 211592132, 236649095, 264490165, 473298190, 528980330, 899266561, 946596380, 1057960660, 1798533122, 3597066244, 4496332805, 8992665610, 17985331220]

約数ペア:

[(1, 17985331220), (2, 8992665610), (4, 4496332805), (5, 3597066244), (10, 1798533122), (17, 1057960660), (19, 946596380), (20, 899266561), (34, 528980330), (38, 473298190), (68, 264490165), (76, 236649095), (85, 211592132), (95, 189319276), (170, 105796066), (190, 94659638), (289, 62232980), (323, 55682140), (340, 52898033), (380, 47329819), (578, 31116490), (646, 27841070), (1156, 15558245), (1292, 13920535), (1445, 12446596), (1615, 11136428), (2890, 6223298), (3230, 5568214), (5491, 3275420), (5780, 3111649), (6460, 2784107), (10982, 1637710), (21964, 818855), (27455, 655084), (54910, 327542), (109820, 163771)]