7981890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 22118400

約数和(自身を除く): 14136510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 191, 199, 210, 382, 398, 573, 597, 955, 995, 1146, 1194, 1337, 1393, 1910, 1990, 2674, 2786, 2865, 2985, 4011, 4179, 5730, 5970, 6685, 6965, 8022, 8358, 13370, 13930, 20055, 20895, 38009, 40110, 41790, 76018, 114027, 190045, 228054, 266063, 380090, 532126, 570135, 798189, 1140270, 1330315, 1596378, 2660630, 3990945, 7981890]

約数ペア:

[(1, 7981890), (2, 3990945), (3, 2660630), (5, 1596378), (6, 1330315), (7, 1140270), (10, 798189), (14, 570135), (15, 532126), (21, 380090), (30, 266063), (35, 228054), (42, 190045), (70, 114027), (105, 76018), (191, 41790), (199, 40110), (210, 38009), (382, 20895), (398, 20055), (573, 13930), (597, 13370), (955, 8358), (995, 8022), (1146, 6965), (1194, 6685), (1337, 5970), (1393, 5730), (1910, 4179), (1990, 4011), (2674, 2985), (2786, 2865)]