381397120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45841}}^1$

素因数の和:45873

約数の個数: 64

約数和(自身を含む): 981935640

約数和(自身を除く): 600538520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 45841, 91682, 183364, 229205, 366728, 458410, 595933, 733456, 916820, 1191866, 1466912, 1833640, 2383732, 2933824, 2979665, 3667280, 4767464, 5867648, 5959330, 7334560, 9534928, 11918660, 14669120, 19069856, 23837320, 29338240, 38139712, 47674640, 76279424, 95349280, 190698560, 381397120]

約数ペア:

[(1, 381397120), (2, 190698560), (4, 95349280), (5, 76279424), (8, 47674640), (10, 38139712), (13, 29338240), (16, 23837320), (20, 19069856), (26, 14669120), (32, 11918660), (40, 9534928), (52, 7334560), (64, 5959330), (65, 5867648), (80, 4767464), (104, 3667280), (128, 2979665), (130, 2933824), (160, 2383732), (208, 1833640), (260, 1466912), (320, 1191866), (416, 916820), (520, 733456), (640, 595933), (832, 458410), (1040, 366728), (1664, 229205), (2080, 183364), (4160, 91682), (8320, 45841)]