1009221640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1297}}^1$

素因数の和:1719

約数の個数: 96

約数和(自身を含む): 2650178520

約数和(自身を除く): 1640956880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 397, 490, 794, 980, 1297, 1588, 1960, 1985, 2594, 2779, 3176, 3970, 5188, 5558, 6485, 7940, 9079, 10376, 11116, 12970, 13895, 15880, 18158, 19453, 22232, 25940, 27790, 36316, 38906, 45395, 51880, 55580, 63553, 72632, 77812, 90790, 97265, 111160, 127106, 155624, 181580, 194530, 254212, 317765, 363160, 389060, 508424, 514909, 635530, 778120, 1029818, 1271060, 2059636, 2542120, 2574545, 3604363, 4119272, 5149090, 7208726, 10298180, 14417452, 18021815, 20596360, 25230541, 28834904, 36043630, 50461082, 72087260, 100922164, 126152705, 144174520, 201844328, 252305410, 504610820, 1009221640]

約数ペア:

[(1, 1009221640), (2, 504610820), (4, 252305410), (5, 201844328), (7, 144174520), (8, 126152705), (10, 100922164), (14, 72087260), (20, 50461082), (28, 36043630), (35, 28834904), (40, 25230541), (49, 20596360), (56, 18021815), (70, 14417452), (98, 10298180), (140, 7208726), (196, 5149090), (245, 4119272), (280, 3604363), (392, 2574545), (397, 2542120), (490, 2059636), (794, 1271060), (980, 1029818), (1297, 778120), (1588, 635530), (1960, 514909), (1985, 508424), (2594, 389060), (2779, 363160), (3176, 317765), (3970, 254212), (5188, 194530), (5558, 181580), (6485, 155624), (7940, 127106), (9079, 111160), (10376, 97265), (11116, 90790), (12970, 77812), (13895, 72632), (15880, 63553), (18158, 55580), (19453, 51880), (22232, 45395), (25940, 38906), (27790, 36316)]