2018489920

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:596

約数の個数: 112

約数和(自身を含む): 4888382400

約数和(自身を除く): 2869892480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 179, 262, 269, 320, 358, 524, 538, 655, 716, 895, 1048, 1076, 1310, 1345, 1432, 1790, 2096, 2152, 2620, 2690, 2864, 3580, 4192, 4304, 5240, 5380, 5728, 7160, 8384, 8608, 10480, 10760, 11456, 14320, 17216, 20960, 21520, 23449, 28640, 35239, 41920, 43040, 46898, 48151, 57280, 70478, 86080, 93796, 96302, 117245, 140956, 176195, 187592, 192604, 234490, 240755, 281912, 352390, 375184, 385208, 468980, 481510, 563824, 704780, 750368, 770416, 937960, 963020, 1127648, 1409560, 1500736, 1540832, 1875920, 1926040, 2255296, 2819120, 3081664, 3751840, 3852080, 5638240, 6307781, 7503680, 7704160, 11276480, 12615562, 15408320, 25231124, 31538905, 50462248, 63077810, 100924496, 126155620, 201848992, 252311240, 403697984, 504622480, 1009244960, 2018489920]

約数ペア:

[(1, 2018489920), (2, 1009244960), (4, 504622480), (5, 403697984), (8, 252311240), (10, 201848992), (16, 126155620), (20, 100924496), (32, 63077810), (40, 50462248), (64, 31538905), (80, 25231124), (131, 15408320), (160, 12615562), (179, 11276480), (262, 7704160), (269, 7503680), (320, 6307781), (358, 5638240), (524, 3852080), (538, 3751840), (655, 3081664), (716, 2819120), (895, 2255296), (1048, 1926040), (1076, 1875920), (1310, 1540832), (1345, 1500736), (1432, 1409560), (1790, 1127648), (2096, 963020), (2152, 937960), (2620, 770416), (2690, 750368), (2864, 704780), (3580, 563824), (4192, 481510), (4304, 468980), (5240, 385208), (5380, 375184), (5728, 352390), (7160, 281912), (8384, 240755), (8608, 234490), (10480, 192604), (10760, 187592), (11456, 176195), (14320, 140956), (17216, 117245), (20960, 96302), (21520, 93796), (23449, 86080), (28640, 70478), (35239, 57280), (41920, 48151), (43040, 46898)]