138352820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1801}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 305157888

約数和(自身を除く): 166805068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 230, 334, 460, 668, 835, 1670, 1801, 3340, 3602, 3841, 7204, 7682, 9005, 15364, 18010, 19205, 36020, 38410, 41423, 76820, 82846, 165692, 207115, 300767, 414230, 601534, 828460, 1203068, 1503835, 3007670, 6015340, 6917641, 13835282, 27670564, 34588205, 69176410, 138352820]

約数ペア:

[(1, 138352820), (2, 69176410), (4, 34588205), (5, 27670564), (10, 13835282), (20, 6917641), (23, 6015340), (46, 3007670), (92, 1503835), (115, 1203068), (167, 828460), (230, 601534), (334, 414230), (460, 300767), (668, 207115), (835, 165692), (1670, 82846), (1801, 76820), (3340, 41423), (3602, 38410), (3841, 36020), (7204, 19205), (7682, 18010), (9005, 15364)]