199859420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{10597}}^1$

素因数の和:10670

約数の個数: 48

約数和(自身を含む): 448676928

約数和(自身を除く): 248817508

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 10597, 18860, 21194, 42388, 52985, 105970, 211940, 243731, 434477, 487462, 868954, 974924, 1218655, 1737908, 2172385, 2437310, 4344770, 4874620, 8689540, 9992971, 19985942, 39971884, 49964855, 99929710, 199859420]

約数ペア:

[(1, 199859420), (2, 99929710), (4, 49964855), (5, 39971884), (10, 19985942), (20, 9992971), (23, 8689540), (41, 4874620), (46, 4344770), (82, 2437310), (92, 2172385), (115, 1737908), (164, 1218655), (205, 974924), (230, 868954), (410, 487462), (460, 434477), (820, 243731), (943, 211940), (1886, 105970), (3772, 52985), (4715, 42388), (9430, 21194), (10597, 18860)]