347060480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20891

約数の個数: 72

約数和(自身を含む): 895308792

約数和(自身を除く): 548248312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 20857, 41714, 83428, 104285, 166856, 208570, 271141, 333712, 417140, 542282, 667424, 834280, 1084564, 1334848, 1355705, 1668560, 2169128, 2669696, 2711410, 3337120, 4338256, 5339392, 5422820, 6674240, 8676512, 10845640, 13348480, 17353024, 21691280, 26696960, 34706048, 43382560, 69412096, 86765120, 173530240, 347060480]

約数ペア:

[(1, 347060480), (2, 173530240), (4, 86765120), (5, 69412096), (8, 43382560), (10, 34706048), (13, 26696960), (16, 21691280), (20, 17353024), (26, 13348480), (32, 10845640), (40, 8676512), (52, 6674240), (64, 5422820), (65, 5339392), (80, 4338256), (104, 3337120), (128, 2711410), (130, 2669696), (160, 2169128), (208, 1668560), (256, 1355705), (260, 1334848), (320, 1084564), (416, 834280), (520, 667424), (640, 542282), (832, 417140), (1040, 333712), (1280, 271141), (1664, 208570), (2080, 166856), (3328, 104285), (4160, 83428), (8320, 41714), (16640, 20857)]