421604720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229133}}^1$

素因数の和:229169

約数の個数: 40

約数和(自身を含む): 1022854176

約数和(自身を除く): 601249456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 229133, 458266, 916532, 1145665, 1833064, 2291330, 3666128, 4582660, 5270059, 9165320, 10540118, 18330640, 21080236, 26350295, 42160472, 52700590, 84320944, 105401180, 210802360, 421604720]

約数ペア:

[(1, 421604720), (2, 210802360), (4, 105401180), (5, 84320944), (8, 52700590), (10, 42160472), (16, 26350295), (20, 21080236), (23, 18330640), (40, 10540118), (46, 9165320), (80, 5270059), (92, 4582660), (115, 3666128), (184, 2291330), (230, 1833064), (368, 1145665), (460, 916532), (920, 458266), (1840, 229133)]