131817440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 331309440

約数和(自身を除く): 199492000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 131, 152, 160, 190, 262, 304, 331, 380, 524, 608, 655, 662, 760, 1048, 1310, 1324, 1520, 1655, 2096, 2489, 2620, 2648, 3040, 3310, 4192, 4978, 5240, 5296, 6289, 6620, 9956, 10480, 10592, 12445, 12578, 13240, 19912, 20960, 24890, 25156, 26480, 31445, 39824, 43361, 49780, 50312, 52960, 62890, 79648, 86722, 99560, 100624, 125780, 173444, 199120, 201248, 216805, 251560, 346888, 398240, 433610, 503120, 693776, 823859, 867220, 1006240, 1387552, 1647718, 1734440, 3295436, 3468880, 4119295, 6590872, 6937760, 8238590, 13181744, 16477180, 26363488, 32954360, 65908720, 131817440]

約数ペア:

[(1, 131817440), (2, 65908720), (4, 32954360), (5, 26363488), (8, 16477180), (10, 13181744), (16, 8238590), (19, 6937760), (20, 6590872), (32, 4119295), (38, 3468880), (40, 3295436), (76, 1734440), (80, 1647718), (95, 1387552), (131, 1006240), (152, 867220), (160, 823859), (190, 693776), (262, 503120), (304, 433610), (331, 398240), (380, 346888), (524, 251560), (608, 216805), (655, 201248), (662, 199120), (760, 173444), (1048, 125780), (1310, 100624), (1324, 99560), (1520, 86722), (1655, 79648), (2096, 62890), (2489, 52960), (2620, 50312), (2648, 49780), (3040, 43361), (3310, 39824), (4192, 31445), (4978, 26480), (5240, 25156), (5296, 24890), (6289, 20960), (6620, 19912), (9956, 13240), (10480, 12578), (10592, 12445)]