388660480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23357}}^1$

素因数の和:23391

約数の個数: 72

約数和(自身を含む): 1002618792

約数和(自身を除く): 613958312

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, 23357, 46714, 93428, 116785, 186856, 233570, 303641, 373712, 467140, 607282, 747424, 934280, 1214564, 1494848, 1518205, 1868560, 2429128, 2989696, 3036410, 3737120, 4858256, 5979392, 6072820, 7474240, 9716512, 12145640, 14948480, 19433024, 24291280, 29896960, 38866048, 48582560, 77732096, 97165120, 194330240, 388660480]

約数ペア:

[(1, 388660480), (2, 194330240), (4, 97165120), (5, 77732096), (8, 48582560), (10, 38866048), (13, 29896960), (16, 24291280), (20, 19433024), (26, 14948480), (32, 12145640), (40, 9716512), (52, 7474240), (64, 6072820), (65, 5979392), (80, 4858256), (104, 3737120), (128, 3036410), (130, 2989696), (160, 2429128), (208, 1868560), (256, 1518205), (260, 1494848), (320, 1214564), (416, 934280), (520, 747424), (640, 607282), (832, 467140), (1040, 373712), (1280, 303641), (1664, 233570), (2080, 186856), (3328, 116785), (4160, 93428), (8320, 46714), (16640, 23357)]