205625790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 160

約数和(自身を含む): 602173440

約数和(自身を除く): 396547650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 81, 90, 93, 95, 114, 135, 155, 162, 171, 186, 190, 270, 279, 285, 310, 342, 405, 431, 465, 513, 558, 570, 589, 810, 837, 855, 862, 930, 1026, 1178, 1293, 1395, 1539, 1674, 1710, 1767, 2155, 2511, 2565, 2586, 2790, 2945, 3078, 3534, 3879, 4185, 4310, 5022, 5130, 5301, 5890, 6465, 7695, 7758, 8189, 8370, 8835, 10602, 11637, 12555, 12930, 13361, 15390, 15903, 16378, 17670, 19395, 23274, 24567, 25110, 26505, 26722, 31806, 34911, 38790, 40083, 40945, 47709, 49134, 53010, 58185, 66805, 69822, 73701, 79515, 80166, 81890, 95418, 116370, 120249, 122835, 133610, 147402, 159030, 174555, 200415, 221103, 238545, 240498, 245670, 253859, 349110, 360747, 368505, 400830, 442206, 477090, 507718, 601245, 663309, 721494, 737010, 761577, 1082241, 1105515, 1202490, 1269295, 1326618, 1523154, 1803735, 2164482, 2211030, 2284731, 2538590, 3316545, 3607470, 3807885, 4569462, 5411205, 6633090, 6854193, 7615770, 10822410, 11423655, 13708386, 20562579, 22847310, 34270965, 41125158, 68541930, 102812895, 205625790]

約数ペア:

[(1, 205625790), (2, 102812895), (3, 68541930), (5, 41125158), (6, 34270965), (9, 22847310), (10, 20562579), (15, 13708386), (18, 11423655), (19, 10822410), (27, 7615770), (30, 6854193), (31, 6633090), (38, 5411205), (45, 4569462), (54, 3807885), (57, 3607470), (62, 3316545), (81, 2538590), (90, 2284731), (93, 2211030), (95, 2164482), (114, 1803735), (135, 1523154), (155, 1326618), (162, 1269295), (171, 1202490), (186, 1105515), (190, 1082241), (270, 761577), (279, 737010), (285, 721494), (310, 663309), (342, 601245), (405, 507718), (431, 477090), (465, 442206), (513, 400830), (558, 368505), (570, 360747), (589, 349110), (810, 253859), (837, 245670), (855, 240498), (862, 238545), (930, 221103), (1026, 200415), (1178, 174555), (1293, 159030), (1395, 147402), (1539, 133610), (1674, 122835), (1710, 120249), (1767, 116370), (2155, 95418), (2511, 81890), (2565, 80166), (2586, 79515), (2790, 73701), (2945, 69822), (3078, 66805), (3534, 58185), (3879, 53010), (4185, 49134), (4310, 47709), (5022, 40945), (5130, 40083), (5301, 38790), (5890, 34911), (6465, 31806), (7695, 26722), (7758, 26505), (8189, 25110), (8370, 24567), (8835, 23274), (10602, 19395), (11637, 17670), (12555, 16378), (12930, 15903), (13361, 15390)]