28070070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 77414400

約数和(自身を除く): 49344330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 349, 383, 698, 766, 1047, 1149, 1745, 1915, 2094, 2298, 2443, 2681, 3490, 3830, 4886, 5235, 5362, 5745, 7329, 8043, 10470, 11490, 12215, 13405, 14658, 16086, 24430, 26810, 36645, 40215, 73290, 80430, 133667, 267334, 401001, 668335, 802002, 935669, 1336670, 1871338, 2005005, 2807007, 4010010, 4678345, 5614014, 9356690, 14035035, 28070070]

約数ペア:

[(1, 28070070), (2, 14035035), (3, 9356690), (5, 5614014), (6, 4678345), (7, 4010010), (10, 2807007), (14, 2005005), (15, 1871338), (21, 1336670), (30, 935669), (35, 802002), (42, 668335), (70, 401001), (105, 267334), (210, 133667), (349, 80430), (383, 73290), (698, 40215), (766, 36645), (1047, 26810), (1149, 24430), (1745, 16086), (1915, 14658), (2094, 13405), (2298, 12215), (2443, 11490), (2681, 10470), (3490, 8043), (3830, 7329), (4886, 5745), (5235, 5362)]