205657228990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{7523}}^1$

素因数の和:8017

約数の個数: 64

約数和(自身を含む): 379512967680

約数和(自身を除く): 173855738690

約数列:

[1, 2, 5, 10, 71, 139, 142, 277, 278, 355, 554, 695, 710, 1385, 1390, 2770, 7523, 9869, 15046, 19667, 19738, 37615, 38503, 39334, 49345, 75230, 77006, 98335, 98690, 192515, 196670, 385030, 534133, 1045697, 1068266, 2083871, 2091394, 2670665, 2733713, 4167742, 5228485, 5341330, 5467426, 10419355, 10456970, 13668565, 20838710, 27337130, 74244487, 147954841, 148488974, 289658069, 295909682, 371222435, 579316138, 739774205, 742444870, 1448290345, 1479548410, 2896580690, 20565722899, 41131445798, 102828614495, 205657228990]

約数ペア:

[(1, 205657228990), (2, 102828614495), (5, 41131445798), (10, 20565722899), (71, 2896580690), (139, 1479548410), (142, 1448290345), (277, 742444870), (278, 739774205), (355, 579316138), (554, 371222435), (695, 295909682), (710, 289658069), (1385, 148488974), (1390, 147954841), (2770, 74244487), (7523, 27337130), (9869, 20838710), (15046, 13668565), (19667, 10456970), (19738, 10419355), (37615, 5467426), (38503, 5341330), (39334, 5228485), (49345, 4167742), (75230, 2733713), (77006, 2670665), (98335, 2091394), (98690, 2083871), (192515, 1068266), (196670, 1045697), (385030, 534133)]