201886880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 536005512

約数和(自身を除く): 334118632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 101, 104, 124, 130, 155, 160, 202, 208, 248, 260, 310, 403, 404, 416, 496, 505, 520, 620, 806, 808, 961, 992, 1010, 1040, 1240, 1313, 1612, 1616, 1922, 2015, 2020, 2080, 2480, 2626, 3131, 3224, 3232, 3844, 4030, 4040, 4805, 4960, 5252, 6262, 6448, 6565, 7688, 8060, 8080, 9610, 10504, 12493, 12524, 12896, 13130, 15376, 15655, 16120, 16160, 19220, 21008, 24986, 25048, 26260, 30752, 31310, 32240, 38440, 40703, 42016, 49972, 50096, 52520, 62465, 62620, 64480, 76880, 81406, 97061, 99944, 100192, 105040, 124930, 125240, 153760, 162812, 194122, 199888, 203515, 210080, 249860, 250480, 325624, 388244, 399776, 407030, 485305, 499720, 500960, 651248, 776488, 814060, 970610, 999440, 1261793, 1302496, 1552976, 1628120, 1941220, 1998880, 2523586, 3105952, 3256240, 3882440, 5047172, 6308965, 6512480, 7764880, 10094344, 12617930, 15529760, 20188688, 25235860, 40377376, 50471720, 100943440, 201886880]

約数ペア:

[(1, 201886880), (2, 100943440), (4, 50471720), (5, 40377376), (8, 25235860), (10, 20188688), (13, 15529760), (16, 12617930), (20, 10094344), (26, 7764880), (31, 6512480), (32, 6308965), (40, 5047172), (52, 3882440), (62, 3256240), (65, 3105952), (80, 2523586), (101, 1998880), (104, 1941220), (124, 1628120), (130, 1552976), (155, 1302496), (160, 1261793), (202, 999440), (208, 970610), (248, 814060), (260, 776488), (310, 651248), (403, 500960), (404, 499720), (416, 485305), (496, 407030), (505, 399776), (520, 388244), (620, 325624), (806, 250480), (808, 249860), (961, 210080), (992, 203515), (1010, 199888), (1040, 194122), (1240, 162812), (1313, 153760), (1612, 125240), (1616, 124930), (1922, 105040), (2015, 100192), (2020, 99944), (2080, 97061), (2480, 81406), (2626, 76880), (3131, 64480), (3224, 62620), (3232, 62465), (3844, 52520), (4030, 50096), (4040, 49972), (4805, 42016), (4960, 40703), (5252, 38440), (6262, 32240), (6448, 31310), (6565, 30752), (7688, 26260), (8060, 25048), (8080, 24986), (9610, 21008), (10504, 19220), (12493, 16160), (12524, 16120), (12896, 15655), (13130, 15376)]