208265440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 512870400

約数和(自身を除く): 304604960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 199, 211, 248, 310, 398, 422, 496, 620, 796, 844, 992, 995, 1055, 1240, 1592, 1688, 1990, 2110, 2480, 3184, 3376, 3980, 4220, 4960, 6169, 6368, 6541, 6752, 7960, 8440, 12338, 13082, 15920, 16880, 24676, 26164, 30845, 31840, 32705, 33760, 41989, 49352, 52328, 61690, 65410, 83978, 98704, 104656, 123380, 130820, 167956, 197408, 209312, 209945, 246760, 261640, 335912, 419890, 493520, 523280, 671824, 839780, 987040, 1046560, 1301659, 1343648, 1679560, 2603318, 3359120, 5206636, 6508295, 6718240, 10413272, 13016590, 20826544, 26033180, 41653088, 52066360, 104132720, 208265440]

約数ペア:

[(1, 208265440), (2, 104132720), (4, 52066360), (5, 41653088), (8, 26033180), (10, 20826544), (16, 13016590), (20, 10413272), (31, 6718240), (32, 6508295), (40, 5206636), (62, 3359120), (80, 2603318), (124, 1679560), (155, 1343648), (160, 1301659), (199, 1046560), (211, 987040), (248, 839780), (310, 671824), (398, 523280), (422, 493520), (496, 419890), (620, 335912), (796, 261640), (844, 246760), (992, 209945), (995, 209312), (1055, 197408), (1240, 167956), (1592, 130820), (1688, 123380), (1990, 104656), (2110, 98704), (2480, 83978), (3184, 65410), (3376, 61690), (3980, 52328), (4220, 49352), (4960, 41989), (6169, 33760), (6368, 32705), (6541, 31840), (6752, 30845), (7960, 26164), (8440, 24676), (12338, 16880), (13082, 15920)]