203923100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{21023}}^1$

素因数の和:21134

約数の個数: 36

約数和(自身を含む): 447096384

約数和(自身を除く): 243173284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 21023, 42046, 84092, 105115, 210230, 420460, 525575, 1051150, 2039231, 2102300, 4078462, 8156924, 10196155, 20392310, 40784620, 50980775, 101961550, 203923100]

約数ペア:

[(1, 203923100), (2, 101961550), (4, 50980775), (5, 40784620), (10, 20392310), (20, 10196155), (25, 8156924), (50, 4078462), (97, 2102300), (100, 2039231), (194, 1051150), (388, 525575), (485, 420460), (970, 210230), (1940, 105115), (2425, 84092), (4850, 42046), (9700, 21023)]