2845700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 7291200

約数和(自身を除く): 4445500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 199, 220, 260, 275, 286, 325, 398, 550, 572, 650, 715, 796, 995, 1100, 1300, 1430, 1990, 2189, 2587, 2860, 3575, 3980, 4378, 4975, 5174, 7150, 8756, 9950, 10348, 10945, 12935, 14300, 19900, 21890, 25870, 28457, 43780, 51740, 54725, 56914, 64675, 109450, 113828, 129350, 142285, 218900, 258700, 284570, 569140, 711425, 1422850, 2845700]

約数ペア:

[(1, 2845700), (2, 1422850), (4, 711425), (5, 569140), (10, 284570), (11, 258700), (13, 218900), (20, 142285), (22, 129350), (25, 113828), (26, 109450), (44, 64675), (50, 56914), (52, 54725), (55, 51740), (65, 43780), (100, 28457), (110, 25870), (130, 21890), (143, 19900), (199, 14300), (220, 12935), (260, 10945), (275, 10348), (286, 9950), (325, 8756), (398, 7150), (550, 5174), (572, 4975), (650, 4378), (715, 3980), (796, 3575), (995, 2860), (1100, 2587), (1300, 2189), (1430, 1990)]