2141340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 6078240

約数和(自身を除く): 3936900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 401, 445, 534, 802, 890, 1068, 1203, 1335, 1604, 1780, 2005, 2406, 2670, 4010, 4812, 5340, 6015, 8020, 12030, 24060, 35689, 71378, 107067, 142756, 178445, 214134, 356890, 428268, 535335, 713780, 1070670, 2141340]

約数ペア:

[(1, 2141340), (2, 1070670), (3, 713780), (4, 535335), (5, 428268), (6, 356890), (10, 214134), (12, 178445), (15, 142756), (20, 107067), (30, 71378), (60, 35689), (89, 24060), (178, 12030), (267, 8020), (356, 6015), (401, 5340), (445, 4812), (534, 4010), (802, 2670), (890, 2406), (1068, 2005), (1203, 1780), (1335, 1604)]