221455850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 519716736

約数和(自身を除く): 298260886

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 97, 110, 154, 175, 194, 275, 350, 385, 485, 550, 593, 679, 770, 970, 1067, 1186, 1358, 1925, 2134, 2425, 2965, 3395, 3850, 4151, 4850, 5335, 5930, 6523, 6790, 7469, 8302, 10670, 13046, 14825, 14938, 16975, 20755, 26675, 29650, 32615, 33950, 37345, 41510, 45661, 53350, 57521, 65230, 74690, 91322, 103775, 115042, 163075, 186725, 207550, 228305, 287605, 326150, 373450, 402647, 456610, 575210, 632731, 805294, 1141525, 1265462, 1438025, 2013235, 2283050, 2876050, 3163655, 4026470, 4429117, 6327310, 8858234, 10066175, 15818275, 20132350, 22145585, 31636550, 44291170, 110727925, 221455850]

約数ペア:

[(1, 221455850), (2, 110727925), (5, 44291170), (7, 31636550), (10, 22145585), (11, 20132350), (14, 15818275), (22, 10066175), (25, 8858234), (35, 6327310), (50, 4429117), (55, 4026470), (70, 3163655), (77, 2876050), (97, 2283050), (110, 2013235), (154, 1438025), (175, 1265462), (194, 1141525), (275, 805294), (350, 632731), (385, 575210), (485, 456610), (550, 402647), (593, 373450), (679, 326150), (770, 287605), (970, 228305), (1067, 207550), (1186, 186725), (1358, 163075), (1925, 115042), (2134, 103775), (2425, 91322), (2965, 74690), (3395, 65230), (3850, 57521), (4151, 53350), (4850, 45661), (5335, 41510), (5930, 37345), (6523, 33950), (6790, 32615), (7469, 29650), (8302, 26675), (10670, 20755), (13046, 16975), (14825, 14938)]