215298820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6481}}^1$

素因数の和:6652

約数の個数: 48

約数和(自身を含む): 496573056

約数和(自身を除く): 281274236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6481, 6644, 8305, 12962, 16610, 25924, 32405, 33220, 64810, 71291, 129620, 142582, 285164, 356455, 712910, 978631, 1425820, 1957262, 3914524, 4893155, 9786310, 10764941, 19572620, 21529882, 43059764, 53824705, 107649410, 215298820]

約数ペア:

[(1, 215298820), (2, 107649410), (4, 53824705), (5, 43059764), (10, 21529882), (11, 19572620), (20, 10764941), (22, 9786310), (44, 4893155), (55, 3914524), (110, 1957262), (151, 1425820), (220, 978631), (302, 712910), (604, 356455), (755, 285164), (1510, 142582), (1661, 129620), (3020, 71291), (3322, 64810), (6481, 33220), (6644, 32405), (8305, 25924), (12962, 16610)]