200545420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 427166208

約数和(自身を除く): 226620788

約数列:

[1, 2, 4, 5, 10, 20, 163, 227, 271, 326, 454, 542, 652, 815, 908, 1084, 1135, 1355, 1630, 2270, 2710, 3260, 4540, 5420, 37001, 44173, 61517, 74002, 88346, 123034, 148004, 176692, 185005, 220865, 246068, 307585, 370010, 441730, 615170, 740020, 883460, 1230340, 10027271, 20054542, 40109084, 50136355, 100272710, 200545420]

約数ペア:

[(1, 200545420), (2, 100272710), (4, 50136355), (5, 40109084), (10, 20054542), (20, 10027271), (163, 1230340), (227, 883460), (271, 740020), (326, 615170), (454, 441730), (542, 370010), (652, 307585), (815, 246068), (908, 220865), (1084, 185005), (1135, 176692), (1355, 148004), (1630, 123034), (2270, 88346), (2710, 74002), (3260, 61517), (4540, 44173), (5420, 37001)]