219989910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{21379}}^1$

素因数の和:21410

約数の個数: 64

約数和(自身を含む): 615744000

約数和(自身を除く): 395754090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 21379, 42758, 64137, 106895, 128274, 149653, 213790, 299306, 320685, 448959, 641370, 748265, 897918, 1047571, 1496530, 2095142, 2244795, 3142713, 4489590, 5237855, 6285426, 7332997, 10475710, 14665994, 15713565, 21998991, 31427130, 36664985, 43997982, 73329970, 109994955, 219989910]

約数ペア:

[(1, 219989910), (2, 109994955), (3, 73329970), (5, 43997982), (6, 36664985), (7, 31427130), (10, 21998991), (14, 15713565), (15, 14665994), (21, 10475710), (30, 7332997), (35, 6285426), (42, 5237855), (49, 4489590), (70, 3142713), (98, 2244795), (105, 2095142), (147, 1496530), (210, 1047571), (245, 897918), (294, 748265), (343, 641370), (490, 448959), (686, 320685), (735, 299306), (1029, 213790), (1470, 149653), (1715, 128274), (2058, 106895), (3430, 64137), (5145, 42758), (10290, 21379)]