387680240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 959884992

約数和(自身を除く): 572204752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 197, 272, 340, 394, 680, 788, 985, 1360, 1447, 1576, 1970, 2894, 3152, 3349, 3940, 5788, 6698, 7235, 7880, 11576, 13396, 14470, 15760, 16745, 23152, 24599, 26792, 28940, 33490, 49198, 53584, 57880, 66980, 98396, 115760, 122995, 133960, 196792, 245990, 267920, 285059, 393584, 491980, 570118, 983960, 1140236, 1425295, 1967920, 2280472, 2850590, 4560944, 4846003, 5701180, 9692006, 11402360, 19384012, 22804720, 24230015, 38768024, 48460030, 77536048, 96920060, 193840120, 387680240]

約数ペア:

[(1, 387680240), (2, 193840120), (4, 96920060), (5, 77536048), (8, 48460030), (10, 38768024), (16, 24230015), (17, 22804720), (20, 19384012), (34, 11402360), (40, 9692006), (68, 5701180), (80, 4846003), (85, 4560944), (136, 2850590), (170, 2280472), (197, 1967920), (272, 1425295), (340, 1140236), (394, 983960), (680, 570118), (788, 491980), (985, 393584), (1360, 285059), (1447, 267920), (1576, 245990), (1970, 196792), (2894, 133960), (3152, 122995), (3349, 115760), (3940, 98396), (5788, 66980), (6698, 57880), (7235, 53584), (7880, 49198), (11576, 33490), (13396, 28940), (14470, 26792), (15760, 24599), (16745, 23152)]