256499100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2037

約数の個数: 216

約数和(自身を含む): 945012432

約数和(自身を除く): 688513332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 33, 36, 39, 44, 45, 50, 52, 55, 60, 65, 66, 75, 78, 90, 99, 100, 110, 117, 130, 132, 143, 150, 156, 165, 180, 195, 198, 220, 225, 234, 260, 275, 286, 300, 325, 330, 390, 396, 429, 450, 468, 495, 550, 572, 585, 650, 660, 715, 780, 825, 858, 900, 975, 990, 1100, 1170, 1287, 1300, 1430, 1650, 1716, 1950, 1980, 1993, 2145, 2340, 2475, 2574, 2860, 2925, 3300, 3575, 3900, 3986, 4290, 4950, 5148, 5850, 5979, 6435, 7150, 7972, 8580, 9900, 9965, 10725, 11700, 11958, 12870, 14300, 17937, 19930, 21450, 21923, 23916, 25740, 25909, 29895, 32175, 35874, 39860, 42900, 43846, 49825, 51818, 59790, 64350, 65769, 71748, 77727, 87692, 89685, 99650, 103636, 109615, 119580, 128700, 129545, 131538, 149475, 155454, 179370, 197307, 199300, 219230, 233181, 259090, 263076, 284999, 298950, 310908, 328845, 358740, 388635, 394614, 438460, 448425, 466362, 518180, 548075, 569998, 597900, 647725, 657690, 777270, 789228, 854997, 896850, 932724, 986535, 1096150, 1139996, 1165905, 1295450, 1315380, 1424995, 1554540, 1644225, 1709994, 1793700, 1943175, 1973070, 2192300, 2331810, 2564991, 2590900, 2849990, 3288450, 3419988, 3886350, 3946140, 4274985, 4663620, 4932675, 5129982, 5699980, 5829525, 6576900, 7124975, 7772700, 8549970, 9865350, 10259964, 11659050, 12824955, 14249950, 17099940, 19730700, 21374925, 23318100, 25649910, 28499900, 42749850, 51299820, 64124775, 85499700, 128249550, 256499100]

約数ペア:

[(1, 256499100), (2, 128249550), (3, 85499700), (4, 64124775), (5, 51299820), (6, 42749850), (9, 28499900), (10, 25649910), (11, 23318100), (12, 21374925), (13, 19730700), (15, 17099940), (18, 14249950), (20, 12824955), (22, 11659050), (25, 10259964), (26, 9865350), (30, 8549970), (33, 7772700), (36, 7124975), (39, 6576900), (44, 5829525), (45, 5699980), (50, 5129982), (52, 4932675), (55, 4663620), (60, 4274985), (65, 3946140), (66, 3886350), (75, 3419988), (78, 3288450), (90, 2849990), (99, 2590900), (100, 2564991), (110, 2331810), (117, 2192300), (130, 1973070), (132, 1943175), (143, 1793700), (150, 1709994), (156, 1644225), (165, 1554540), (180, 1424995), (195, 1315380), (198, 1295450), (220, 1165905), (225, 1139996), (234, 1096150), (260, 986535), (275, 932724), (286, 896850), (300, 854997), (325, 789228), (330, 777270), (390, 657690), (396, 647725), (429, 597900), (450, 569998), (468, 548075), (495, 518180), (550, 466362), (572, 448425), (585, 438460), (650, 394614), (660, 388635), (715, 358740), (780, 328845), (825, 310908), (858, 298950), (900, 284999), (975, 263076), (990, 259090), (1100, 233181), (1170, 219230), (1287, 199300), (1300, 197307), (1430, 179370), (1650, 155454), (1716, 149475), (1950, 131538), (1980, 129545), (1993, 128700), (2145, 119580), (2340, 109615), (2475, 103636), (2574, 99650), (2860, 89685), (2925, 87692), (3300, 77727), (3575, 71748), (3900, 65769), (3986, 64350), (4290, 59790), (4950, 51818), (5148, 49825), (5850, 43846), (5979, 42900), (6435, 39860), (7150, 35874), (7972, 32175), (8580, 29895), (9900, 25909), (9965, 25740), (10725, 23916), (11700, 21923), (11958, 21450), (12870, 19930), (14300, 17937)]