1815708970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:872

約数の個数: 96

約数和(自身を含む): 3744417600

約数和(自身を除く): 1928708630

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 215, 289, 323, 430, 578, 646, 731, 769, 817, 1445, 1462, 1538, 1615, 1634, 2890, 3230, 3655, 3845, 4085, 5491, 7310, 7690, 8170, 10982, 12427, 13073, 13889, 14611, 24854, 26146, 27455, 27778, 29222, 33067, 54910, 62135, 65365, 66134, 69445, 73055, 124270, 130730, 138890, 146110, 165335, 222241, 236113, 248387, 330670, 444482, 472226, 496774, 562139, 628273, 1111205, 1124278, 1180565, 1241935, 1256546, 2222410, 2361130, 2483870, 2810695, 3141365, 4222579, 5621390, 6282730, 8445158, 9556363, 10680641, 19112726, 21112895, 21361282, 42225790, 47781815, 53403205, 95563630, 106806410, 181570897, 363141794, 907854485, 1815708970]

約数ペア:

[(1, 1815708970), (2, 907854485), (5, 363141794), (10, 181570897), (17, 106806410), (19, 95563630), (34, 53403205), (38, 47781815), (43, 42225790), (85, 21361282), (86, 21112895), (95, 19112726), (170, 10680641), (190, 9556363), (215, 8445158), (289, 6282730), (323, 5621390), (430, 4222579), (578, 3141365), (646, 2810695), (731, 2483870), (769, 2361130), (817, 2222410), (1445, 1256546), (1462, 1241935), (1538, 1180565), (1615, 1124278), (1634, 1111205), (2890, 628273), (3230, 562139), (3655, 496774), (3845, 472226), (4085, 444482), (5491, 330670), (7310, 248387), (7690, 236113), (8170, 222241), (10982, 165335), (12427, 146110), (13073, 138890), (13889, 130730), (14611, 124270), (24854, 73055), (26146, 69445), (27455, 66134), (27778, 65365), (29222, 62135), (33067, 54910)]