493622480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5333}}^1$

素因数の和:5448

約数の個数: 80

約数和(自身を含む): 1250076240

約数和(自身を除く): 756453760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2314, 3560, 4628, 5333, 5785, 7120, 9256, 10666, 11570, 18512, 21332, 23140, 26665, 42664, 46280, 53330, 69329, 85328, 92560, 106660, 138658, 213320, 277316, 346645, 426640, 474637, 554632, 693290, 949274, 1109264, 1386580, 1898548, 2373185, 2773160, 3797096, 4746370, 5546320, 6170281, 7594192, 9492740, 12340562, 18985480, 24681124, 30851405, 37970960, 49362248, 61702810, 98724496, 123405620, 246811240, 493622480]

約数ペア:

[(1, 493622480), (2, 246811240), (4, 123405620), (5, 98724496), (8, 61702810), (10, 49362248), (13, 37970960), (16, 30851405), (20, 24681124), (26, 18985480), (40, 12340562), (52, 9492740), (65, 7594192), (80, 6170281), (89, 5546320), (104, 4746370), (130, 3797096), (178, 2773160), (208, 2373185), (260, 1898548), (356, 1386580), (445, 1109264), (520, 949274), (712, 693290), (890, 554632), (1040, 474637), (1157, 426640), (1424, 346645), (1780, 277316), (2314, 213320), (3560, 138658), (4628, 106660), (5333, 92560), (5785, 85328), (7120, 69329), (9256, 53330), (10666, 46280), (11570, 42664), (18512, 26665), (21332, 23140)]