181212010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 419904000

約数和(自身を除く): 238691990

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 59, 70, 85, 89, 118, 119, 145, 170, 178, 203, 238, 290, 295, 406, 413, 445, 493, 590, 595, 623, 826, 890, 986, 1003, 1015, 1190, 1246, 1513, 1711, 2006, 2030, 2065, 2465, 2581, 3026, 3115, 3422, 3451, 4130, 4930, 5015, 5162, 5251, 6230, 6902, 7021, 7565, 8555, 10030, 10502, 10591, 11977, 12905, 14042, 15130, 17110, 17255, 18067, 21182, 23954, 25810, 26255, 29087, 34510, 35105, 36134, 36757, 43877, 52510, 52955, 58174, 59885, 70210, 73514, 87754, 89267, 90335, 105910, 119770, 145435, 152279, 178534, 180670, 183785, 203609, 219385, 290870, 304558, 307139, 367570, 407218, 438770, 446335, 614278, 624869, 761395, 892670, 1018045, 1065953, 1249738, 1522790, 1535695, 2036090, 2131906, 2588743, 3071390, 3124345, 5177486, 5329765, 6248690, 10659530, 12943715, 18121201, 25887430, 36242402, 90606005, 181212010]

約数ペア:

[(1, 181212010), (2, 90606005), (5, 36242402), (7, 25887430), (10, 18121201), (14, 12943715), (17, 10659530), (29, 6248690), (34, 5329765), (35, 5177486), (58, 3124345), (59, 3071390), (70, 2588743), (85, 2131906), (89, 2036090), (118, 1535695), (119, 1522790), (145, 1249738), (170, 1065953), (178, 1018045), (203, 892670), (238, 761395), (290, 624869), (295, 614278), (406, 446335), (413, 438770), (445, 407218), (493, 367570), (590, 307139), (595, 304558), (623, 290870), (826, 219385), (890, 203609), (986, 183785), (1003, 180670), (1015, 178534), (1190, 152279), (1246, 145435), (1513, 119770), (1711, 105910), (2006, 90335), (2030, 89267), (2065, 87754), (2465, 73514), (2581, 70210), (3026, 59885), (3115, 58174), (3422, 52955), (3451, 52510), (4130, 43877), (4930, 36757), (5015, 36134), (5162, 35105), (5251, 34510), (6230, 29087), (6902, 26255), (7021, 25810), (7565, 23954), (8555, 21182), (10030, 18067), (10502, 17255), (10591, 17110), (11977, 15130), (12905, 14042)]