190049840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 459613440

約数和(自身を除く): 269563600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 389, 394, 496, 620, 778, 788, 985, 1240, 1556, 1576, 1945, 1970, 2480, 3112, 3152, 3890, 3940, 6107, 6224, 7780, 7880, 12059, 12214, 15560, 15760, 24118, 24428, 30535, 31120, 48236, 48856, 60295, 61070, 76633, 96472, 97712, 120590, 122140, 153266, 192944, 241180, 244280, 306532, 383165, 482360, 488560, 613064, 766330, 964720, 1226128, 1532660, 2375623, 3065320, 4751246, 6130640, 9502492, 11878115, 19004984, 23756230, 38009968, 47512460, 95024920, 190049840]

約数ペア:

[(1, 190049840), (2, 95024920), (4, 47512460), (5, 38009968), (8, 23756230), (10, 19004984), (16, 11878115), (20, 9502492), (31, 6130640), (40, 4751246), (62, 3065320), (80, 2375623), (124, 1532660), (155, 1226128), (197, 964720), (248, 766330), (310, 613064), (389, 488560), (394, 482360), (496, 383165), (620, 306532), (778, 244280), (788, 241180), (985, 192944), (1240, 153266), (1556, 122140), (1576, 120590), (1945, 97712), (1970, 96472), (2480, 76633), (3112, 61070), (3152, 60295), (3890, 48856), (3940, 48236), (6107, 31120), (6224, 30535), (7780, 24428), (7880, 24118), (12059, 15760), (12214, 15560)]