17966143880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{4561}}^1$

素因数の和:4735

約数の個数: 128

約数和(自身を含む): 43751404800

約数和(自身を除く): 25785260920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 73, 76, 95, 142, 146, 152, 190, 284, 292, 355, 365, 380, 568, 584, 710, 730, 760, 1349, 1387, 1420, 1460, 2698, 2774, 2840, 2920, 4561, 5183, 5396, 5548, 6745, 6935, 9122, 10366, 10792, 11096, 13490, 13870, 18244, 20732, 22805, 25915, 26980, 27740, 36488, 41464, 45610, 51830, 53960, 55480, 86659, 91220, 98477, 103660, 173318, 182440, 196954, 207320, 323831, 332953, 346636, 393908, 433295, 492385, 647662, 665906, 693272, 787816, 866590, 984770, 1295324, 1331812, 1619155, 1664765, 1733180, 1969540, 2590648, 2663624, 3238310, 3329530, 3466360, 3939080, 6152789, 6326107, 6476620, 6659060, 12305578, 12652214, 12953240, 13318120, 23639663, 24611156, 25304428, 30763945, 31630535, 47279326, 49222312, 50608856, 61527890, 63261070, 94558652, 118198315, 123055780, 126522140, 189117304, 236396630, 246111560, 253044280, 449153597, 472793260, 898307194, 945586520, 1796614388, 2245767985, 3593228776, 4491535970, 8983071940, 17966143880]

約数ペア:

[(1, 17966143880), (2, 8983071940), (4, 4491535970), (5, 3593228776), (8, 2245767985), (10, 1796614388), (19, 945586520), (20, 898307194), (38, 472793260), (40, 449153597), (71, 253044280), (73, 246111560), (76, 236396630), (95, 189117304), (142, 126522140), (146, 123055780), (152, 118198315), (190, 94558652), (284, 63261070), (292, 61527890), (355, 50608856), (365, 49222312), (380, 47279326), (568, 31630535), (584, 30763945), (710, 25304428), (730, 24611156), (760, 23639663), (1349, 13318120), (1387, 12953240), (1420, 12652214), (1460, 12305578), (2698, 6659060), (2774, 6476620), (2840, 6326107), (2920, 6152789), (4561, 3939080), (5183, 3466360), (5396, 3329530), (5548, 3238310), (6745, 2663624), (6935, 2590648), (9122, 1969540), (10366, 1733180), (10792, 1664765), (11096, 1619155), (13490, 1331812), (13870, 1295324), (18244, 984770), (20732, 866590), (22805, 787816), (25915, 693272), (26980, 665906), (27740, 647662), (36488, 492385), (41464, 433295), (45610, 393908), (51830, 346636), (53960, 332953), (55480, 323831), (86659, 207320), (91220, 196954), (98477, 182440), (103660, 173318)]