2130478900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 5230415232

約数和(自身を除く): 3099936332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 97, 100, 110, 164, 194, 205, 220, 275, 388, 410, 451, 485, 487, 550, 820, 902, 970, 974, 1025, 1067, 1100, 1804, 1940, 1948, 2050, 2134, 2255, 2425, 2435, 3977, 4100, 4268, 4510, 4850, 4870, 5335, 5357, 7954, 9020, 9700, 9740, 10670, 10714, 11275, 12175, 15908, 19885, 19967, 21340, 21428, 22550, 24350, 26675, 26785, 39770, 39934, 43747, 45100, 47239, 48700, 53350, 53570, 79540, 79868, 87494, 94478, 99425, 99835, 106700, 107140, 133925, 174988, 188956, 198850, 199670, 218735, 219637, 236195, 267850, 397700, 399340, 437470, 439274, 472390, 499175, 519629, 535700, 874940, 878548, 944780, 998350, 1039258, 1093675, 1098185, 1180975, 1936799, 1996700, 2078516, 2187350, 2196370, 2361950, 2598145, 3873598, 4374700, 4392740, 4723900, 5196290, 5490925, 7747196, 9683995, 10392580, 10981850, 12990725, 19367990, 21304789, 21963700, 25981450, 38735980, 42609578, 48419975, 51962900, 85219156, 96839950, 106523945, 193679900, 213047890, 426095780, 532619725, 1065239450, 2130478900]

約数ペア:

[(1, 2130478900), (2, 1065239450), (4, 532619725), (5, 426095780), (10, 213047890), (11, 193679900), (20, 106523945), (22, 96839950), (25, 85219156), (41, 51962900), (44, 48419975), (50, 42609578), (55, 38735980), (82, 25981450), (97, 21963700), (100, 21304789), (110, 19367990), (164, 12990725), (194, 10981850), (205, 10392580), (220, 9683995), (275, 7747196), (388, 5490925), (410, 5196290), (451, 4723900), (485, 4392740), (487, 4374700), (550, 3873598), (820, 2598145), (902, 2361950), (970, 2196370), (974, 2187350), (1025, 2078516), (1067, 1996700), (1100, 1936799), (1804, 1180975), (1940, 1098185), (1948, 1093675), (2050, 1039258), (2134, 998350), (2255, 944780), (2425, 878548), (2435, 874940), (3977, 535700), (4100, 519629), (4268, 499175), (4510, 472390), (4850, 439274), (4870, 437470), (5335, 399340), (5357, 397700), (7954, 267850), (9020, 236195), (9700, 219637), (9740, 218735), (10670, 199670), (10714, 198850), (11275, 188956), (12175, 174988), (15908, 133925), (19885, 107140), (19967, 106700), (21340, 99835), (21428, 99425), (22550, 94478), (24350, 87494), (26675, 79868), (26785, 79540), (39770, 53570), (39934, 53350), (43747, 48700), (45100, 47239)]