790415990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28019}}^1$

素因数の和:28077

約数の個数: 64

約数和(自身を含む): 1807626240

約数和(自身を除く): 1017210250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 14105, 28019, 28210, 56038, 140095, 196133, 280190, 364247, 392266, 728494, 868589, 980665, 1737178, 1821235, 1961330, 2549729, 3642470, 4342945, 5099458, 6080123, 8685890, 11291657, 12160246, 12748645, 22583314, 25497290, 30400615, 56458285, 60801230, 79041599, 112916570, 158083198, 395207995, 790415990]

約数ペア:

[(1, 790415990), (2, 395207995), (5, 158083198), (7, 112916570), (10, 79041599), (13, 60801230), (14, 56458285), (26, 30400615), (31, 25497290), (35, 22583314), (62, 12748645), (65, 12160246), (70, 11291657), (91, 8685890), (130, 6080123), (155, 5099458), (182, 4342945), (217, 3642470), (310, 2549729), (403, 1961330), (434, 1821235), (455, 1737178), (806, 980665), (910, 868589), (1085, 728494), (2015, 392266), (2170, 364247), (2821, 280190), (4030, 196133), (5642, 140095), (14105, 56038), (28019, 28210)]