450291260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{4217}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 999159840

約数和(自身を除く): 548868580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 380, 562, 1124, 1405, 2810, 4217, 5339, 5620, 8434, 10678, 16868, 21085, 21356, 26695, 42170, 53390, 80123, 84340, 106780, 160246, 320492, 400615, 801230, 1184977, 1602460, 2369954, 4739908, 5924885, 11849770, 22514563, 23699540, 45029126, 90058252, 112572815, 225145630, 450291260]

約数ペア:

[(1, 450291260), (2, 225145630), (4, 112572815), (5, 90058252), (10, 45029126), (19, 23699540), (20, 22514563), (38, 11849770), (76, 5924885), (95, 4739908), (190, 2369954), (281, 1602460), (380, 1184977), (562, 801230), (1124, 400615), (1405, 320492), (2810, 160246), (4217, 106780), (5339, 84340), (5620, 80123), (8434, 53390), (10678, 42170), (16868, 26695), (21085, 21356)]