391895140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1674

約数の個数: 144

約数和(自身を含む): 1085918400

約数和(自身を除く): 694023260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 665, 910, 931, 980, 988, 1235, 1274, 1330, 1619, 1729, 1820, 1862, 2470, 2548, 2660, 3185, 3238, 3458, 3724, 4655, 4940, 6370, 6476, 6916, 8095, 8645, 9310, 11333, 12103, 12740, 16190, 17290, 18620, 21047, 22666, 24206, 30761, 32380, 34580, 42094, 45332, 48412, 56665, 60515, 61522, 79331, 84188, 105235, 113330, 121030, 123044, 147329, 153805, 158662, 210470, 215327, 226660, 242060, 294658, 307610, 317324, 396655, 399893, 420940, 430654, 589316, 615220, 736645, 793310, 799786, 861308, 1031303, 1076635, 1473290, 1507289, 1586620, 1599572, 1999465, 2062606, 2153270, 2799251, 2946580, 3014578, 3998930, 4125212, 4306540, 5156515, 5598502, 6029156, 7536445, 7997860, 10313030, 11197004, 13996255, 15072890, 19594757, 20626060, 27992510, 30145780, 39189514, 55985020, 78379028, 97973785, 195947570, 391895140]

約数ペア:

[(1, 391895140), (2, 195947570), (4, 97973785), (5, 78379028), (7, 55985020), (10, 39189514), (13, 30145780), (14, 27992510), (19, 20626060), (20, 19594757), (26, 15072890), (28, 13996255), (35, 11197004), (38, 10313030), (49, 7997860), (52, 7536445), (65, 6029156), (70, 5598502), (76, 5156515), (91, 4306540), (95, 4125212), (98, 3998930), (130, 3014578), (133, 2946580), (140, 2799251), (182, 2153270), (190, 2062606), (196, 1999465), (245, 1599572), (247, 1586620), (260, 1507289), (266, 1473290), (364, 1076635), (380, 1031303), (455, 861308), (490, 799786), (494, 793310), (532, 736645), (637, 615220), (665, 589316), (910, 430654), (931, 420940), (980, 399893), (988, 396655), (1235, 317324), (1274, 307610), (1330, 294658), (1619, 242060), (1729, 226660), (1820, 215327), (1862, 210470), (2470, 158662), (2548, 153805), (2660, 147329), (3185, 123044), (3238, 121030), (3458, 113330), (3724, 105235), (4655, 84188), (4940, 79331), (6370, 61522), (6476, 60515), (6916, 56665), (8095, 48412), (8645, 45332), (9310, 42094), (11333, 34580), (12103, 32380), (12740, 30761), (16190, 24206), (17290, 22666), (18620, 21047)]