218967590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 438566400

約数和(自身を除く): 219598810

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 437, 445, 563, 874, 890, 1126, 1691, 2047, 2185, 2815, 3382, 4094, 4370, 5630, 8455, 10235, 10697, 12949, 16910, 20470, 21394, 25898, 38893, 50107, 53485, 64745, 77786, 100214, 106970, 129490, 194465, 246031, 250535, 388930, 492062, 501070, 952033, 1152461, 1230155, 1904066, 2304922, 2460310, 4760165, 5762305, 9520330, 11524610, 21896759, 43793518, 109483795, 218967590]

約数ペア:

[(1, 218967590), (2, 109483795), (5, 43793518), (10, 21896759), (19, 11524610), (23, 9520330), (38, 5762305), (46, 4760165), (89, 2460310), (95, 2304922), (115, 1904066), (178, 1230155), (190, 1152461), (230, 952033), (437, 501070), (445, 492062), (563, 388930), (874, 250535), (890, 246031), (1126, 194465), (1691, 129490), (2047, 106970), (2185, 100214), (2815, 77786), (3382, 64745), (4094, 53485), (4370, 50107), (5630, 38893), (8455, 25898), (10235, 21394), (10697, 20470), (12949, 16910)]