38901590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 91010304

約数和(自身を除く): 52108714

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 49, 62, 65, 70, 91, 98, 130, 155, 182, 197, 217, 245, 310, 394, 403, 434, 455, 490, 637, 806, 910, 985, 1085, 1274, 1379, 1519, 1970, 2015, 2170, 2561, 2758, 2821, 3038, 3185, 4030, 5122, 5642, 6107, 6370, 6895, 7595, 9653, 12214, 12805, 13790, 14105, 15190, 17927, 19306, 19747, 25610, 28210, 30535, 35854, 39494, 42749, 48265, 61070, 79391, 85498, 89635, 96530, 98735, 125489, 158782, 179270, 197470, 213745, 250978, 299243, 396955, 427490, 555737, 598486, 627445, 793910, 1111474, 1254890, 1496215, 2778685, 2992430, 3890159, 5557370, 7780318, 19450795, 38901590]

約数ペア:

[(1, 38901590), (2, 19450795), (5, 7780318), (7, 5557370), (10, 3890159), (13, 2992430), (14, 2778685), (26, 1496215), (31, 1254890), (35, 1111474), (49, 793910), (62, 627445), (65, 598486), (70, 555737), (91, 427490), (98, 396955), (130, 299243), (155, 250978), (182, 213745), (197, 197470), (217, 179270), (245, 158782), (310, 125489), (394, 98735), (403, 96530), (434, 89635), (455, 85498), (490, 79391), (637, 61070), (806, 48265), (910, 42749), (985, 39494), (1085, 35854), (1274, 30535), (1379, 28210), (1519, 25610), (1970, 19747), (2015, 19306), (2170, 17927), (2561, 15190), (2758, 14105), (2821, 13790), (3038, 12805), (3185, 12214), (4030, 9653), (5122, 7595), (5642, 6895), (6107, 6370)]