99681220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{947}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 221376960

約数和(自身を除く): 121695740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 947, 1108, 1385, 1894, 2770, 3788, 4735, 5263, 5540, 9470, 10526, 17993, 18940, 21052, 26315, 35986, 52630, 71972, 89965, 105260, 179930, 262319, 359860, 524638, 1049276, 1311595, 2623190, 4984061, 5246380, 9968122, 19936244, 24920305, 49840610, 99681220]

約数ペア:

[(1, 99681220), (2, 49840610), (4, 24920305), (5, 19936244), (10, 9968122), (19, 5246380), (20, 4984061), (38, 2623190), (76, 1311595), (95, 1049276), (190, 524638), (277, 359860), (380, 262319), (554, 179930), (947, 105260), (1108, 89965), (1385, 71972), (1894, 52630), (2770, 35986), (3788, 26315), (4735, 21052), (5263, 18940), (5540, 17993), (9470, 10526)]