1252808890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{212701}}^1$

素因数の和:212758

約数の個数: 32

約数和(自身を含む): 2450327040

約数和(自身を除く): 1197518150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 212701, 425402, 1063505, 2127010, 4041319, 6593731, 8082638, 13187462, 20206595, 32968655, 40413190, 65937310, 125280889, 250561778, 626404445, 1252808890]

約数ペア:

[(1, 1252808890), (2, 626404445), (5, 250561778), (10, 125280889), (19, 65937310), (31, 40413190), (38, 32968655), (62, 20206595), (95, 13187462), (155, 8082638), (190, 6593731), (310, 4041319), (589, 2127010), (1178, 1063505), (2945, 425402), (5890, 212701)]