828505540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 96

約数和(自身を含む): 1959552000

約数和(自身を除く): 1131046460

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 53, 68, 85, 92, 106, 115, 170, 212, 230, 265, 340, 391, 460, 530, 782, 901, 1060, 1219, 1564, 1802, 1955, 1999, 2438, 3604, 3910, 3998, 4505, 4876, 6095, 7820, 7996, 9010, 9995, 12190, 18020, 19990, 20723, 24380, 33983, 39980, 41446, 45977, 67966, 82892, 91954, 103615, 105947, 135932, 169915, 183908, 207230, 211894, 229885, 339830, 414460, 423788, 459770, 529735, 679660, 781609, 919540, 1059470, 1563218, 1801099, 2118940, 2436781, 3126436, 3602198, 3908045, 4873562, 7204396, 7816090, 9005495, 9747124, 12183905, 15632180, 18010990, 24367810, 36021980, 41425277, 48735620, 82850554, 165701108, 207126385, 414252770, 828505540]

約数ペア:

[(1, 828505540), (2, 414252770), (4, 207126385), (5, 165701108), (10, 82850554), (17, 48735620), (20, 41425277), (23, 36021980), (34, 24367810), (46, 18010990), (53, 15632180), (68, 12183905), (85, 9747124), (92, 9005495), (106, 7816090), (115, 7204396), (170, 4873562), (212, 3908045), (230, 3602198), (265, 3126436), (340, 2436781), (391, 2118940), (460, 1801099), (530, 1563218), (782, 1059470), (901, 919540), (1060, 781609), (1219, 679660), (1564, 529735), (1802, 459770), (1955, 423788), (1999, 414460), (2438, 339830), (3604, 229885), (3910, 211894), (3998, 207230), (4505, 183908), (4876, 169915), (6095, 135932), (7820, 105947), (7996, 103615), (9010, 91954), (9995, 82892), (12190, 67966), (18020, 45977), (19990, 41446), (20723, 39980), (24380, 33983)]