222749725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 347120640

約数和(自身を除く): 124370915

約数列:

[1, 5, 11, 17, 25, 29, 31, 53, 55, 85, 145, 155, 187, 265, 275, 319, 341, 425, 493, 527, 583, 725, 775, 899, 901, 935, 1325, 1537, 1595, 1643, 1705, 2465, 2635, 2915, 4495, 4505, 4675, 5423, 5797, 7685, 7975, 8215, 8525, 9889, 9911, 12325, 13175, 14575, 15283, 16907, 18073, 22475, 22525, 26129, 27115, 27931, 28985, 38425, 41075, 47647, 49445, 49555, 76415, 84535, 90365, 130645, 135575, 139655, 144925, 168113, 238235, 247225, 247775, 287419, 307241, 382075, 422675, 451825, 524117, 653225, 698275, 809999, 840565, 1191175, 1437095, 1536205, 2620585, 4049995, 4202825, 7185475, 7681025, 8909989, 13102925, 20249975, 44549945, 222749725]

約数ペア:

[(1, 222749725), (5, 44549945), (11, 20249975), (17, 13102925), (25, 8909989), (29, 7681025), (31, 7185475), (53, 4202825), (55, 4049995), (85, 2620585), (145, 1536205), (155, 1437095), (187, 1191175), (265, 840565), (275, 809999), (319, 698275), (341, 653225), (425, 524117), (493, 451825), (527, 422675), (583, 382075), (725, 307241), (775, 287419), (899, 247775), (901, 247225), (935, 238235), (1325, 168113), (1537, 144925), (1595, 139655), (1643, 135575), (1705, 130645), (2465, 90365), (2635, 84535), (2915, 76415), (4495, 49555), (4505, 49445), (4675, 47647), (5423, 41075), (5797, 38425), (7685, 28985), (7975, 27931), (8215, 27115), (8525, 26129), (9889, 22525), (9911, 22475), (12325, 18073), (13175, 16907), (14575, 15283)]