1309741820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 2959756800

約数和(自身を除く): 1650014980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 109, 190, 206, 218, 307, 380, 412, 436, 515, 545, 614, 1030, 1090, 1228, 1535, 1957, 2060, 2071, 2180, 3070, 3914, 4142, 5833, 6140, 7828, 8284, 9785, 10355, 11227, 11666, 19570, 20710, 22454, 23332, 29165, 31621, 33463, 39140, 41420, 44908, 56135, 58330, 63242, 66926, 112270, 116660, 126484, 133852, 158105, 167315, 213313, 224540, 316210, 334630, 426626, 600799, 632420, 635797, 669260, 853252, 1066565, 1201598, 1271594, 2133130, 2403196, 2543188, 3003995, 3178985, 3446689, 4266260, 6007990, 6357970, 6893378, 12015980, 12715940, 13786756, 17233445, 34466890, 65487091, 68933780, 130974182, 261948364, 327435455, 654870910, 1309741820]

約数ペア:

[(1, 1309741820), (2, 654870910), (4, 327435455), (5, 261948364), (10, 130974182), (19, 68933780), (20, 65487091), (38, 34466890), (76, 17233445), (95, 13786756), (103, 12715940), (109, 12015980), (190, 6893378), (206, 6357970), (218, 6007990), (307, 4266260), (380, 3446689), (412, 3178985), (436, 3003995), (515, 2543188), (545, 2403196), (614, 2133130), (1030, 1271594), (1090, 1201598), (1228, 1066565), (1535, 853252), (1957, 669260), (2060, 635797), (2071, 632420), (2180, 600799), (3070, 426626), (3914, 334630), (4142, 316210), (5833, 224540), (6140, 213313), (7828, 167315), (8284, 158105), (9785, 133852), (10355, 126484), (11227, 116660), (11666, 112270), (19570, 66926), (20710, 63242), (22454, 58330), (23332, 56135), (29165, 44908), (31621, 41420), (33463, 39140)]