278330590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{13597}}^1$

素因数の和:13716

約数の個数: 32

約数和(自身を含む): 528690240

約数和(自身を除く): 250359650

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 13597, 20470, 27194, 67985, 135970, 312731, 625462, 1210133, 1563655, 2420266, 3127310, 6050665, 12101330, 27833059, 55666118, 139165295, 278330590]

約数ペア:

[(1, 278330590), (2, 139165295), (5, 55666118), (10, 27833059), (23, 12101330), (46, 6050665), (89, 3127310), (115, 2420266), (178, 1563655), (230, 1210133), (445, 625462), (890, 312731), (2047, 135970), (4094, 67985), (10235, 27194), (13597, 20470)]