1298412400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2531

約数の個数: 120

約数和(自身を含む): 3346125120

約数和(自身を除く): 2047712720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 79, 80, 85, 100, 136, 158, 170, 200, 272, 316, 340, 395, 400, 425, 632, 680, 790, 850, 1264, 1343, 1360, 1580, 1700, 1975, 2417, 2686, 3160, 3400, 3950, 4834, 5372, 6320, 6715, 6800, 7900, 9668, 10744, 12085, 13430, 15800, 19336, 21488, 24170, 26860, 31600, 33575, 38672, 41089, 48340, 53720, 60425, 67150, 82178, 96680, 107440, 120850, 134300, 164356, 190943, 193360, 205445, 241700, 268600, 328712, 381886, 410890, 483400, 537200, 657424, 763772, 821780, 954715, 966800, 1027225, 1527544, 1643560, 1909430, 2054450, 3055088, 3246031, 3287120, 3818860, 4108900, 4773575, 6492062, 7637720, 8217800, 9547150, 12984124, 15275440, 16230155, 16435600, 19094300, 25968248, 32460310, 38188600, 51936496, 64920620, 76377200, 81150775, 129841240, 162301550, 259682480, 324603100, 649206200, 1298412400]

約数ペア:

[(1, 1298412400), (2, 649206200), (4, 324603100), (5, 259682480), (8, 162301550), (10, 129841240), (16, 81150775), (17, 76377200), (20, 64920620), (25, 51936496), (34, 38188600), (40, 32460310), (50, 25968248), (68, 19094300), (79, 16435600), (80, 16230155), (85, 15275440), (100, 12984124), (136, 9547150), (158, 8217800), (170, 7637720), (200, 6492062), (272, 4773575), (316, 4108900), (340, 3818860), (395, 3287120), (400, 3246031), (425, 3055088), (632, 2054450), (680, 1909430), (790, 1643560), (850, 1527544), (1264, 1027225), (1343, 966800), (1360, 954715), (1580, 821780), (1700, 763772), (1975, 657424), (2417, 537200), (2686, 483400), (3160, 410890), (3400, 381886), (3950, 328712), (4834, 268600), (5372, 241700), (6320, 205445), (6715, 193360), (6800, 190943), (7900, 164356), (9668, 134300), (10744, 120850), (12085, 107440), (13430, 96680), (15800, 82178), (19336, 67150), (21488, 60425), (24170, 53720), (26860, 48340), (31600, 41089), (33575, 38672)]