289322980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 661893120

約数和(自身を除く): 372570140

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 89, 92, 115, 148, 178, 185, 191, 230, 356, 370, 382, 445, 460, 740, 764, 851, 890, 955, 1702, 1780, 1910, 2047, 3293, 3404, 3820, 4094, 4255, 4393, 6586, 7067, 8188, 8510, 8786, 10235, 13172, 14134, 16465, 16999, 17020, 17572, 20470, 21965, 28268, 32930, 33998, 35335, 40940, 43930, 65860, 67996, 70670, 75739, 84995, 87860, 141340, 151478, 162541, 169990, 302956, 325082, 339980, 378695, 390977, 628963, 650164, 757390, 781954, 812705, 1257926, 1514780, 1563908, 1625410, 1954885, 2515852, 3144815, 3250820, 3909770, 6289630, 7819540, 12579260, 14466149, 28932298, 57864596, 72330745, 144661490, 289322980]

約数ペア:

[(1, 289322980), (2, 144661490), (4, 72330745), (5, 57864596), (10, 28932298), (20, 14466149), (23, 12579260), (37, 7819540), (46, 6289630), (74, 3909770), (89, 3250820), (92, 3144815), (115, 2515852), (148, 1954885), (178, 1625410), (185, 1563908), (191, 1514780), (230, 1257926), (356, 812705), (370, 781954), (382, 757390), (445, 650164), (460, 628963), (740, 390977), (764, 378695), (851, 339980), (890, 325082), (955, 302956), (1702, 169990), (1780, 162541), (1910, 151478), (2047, 141340), (3293, 87860), (3404, 84995), (3820, 75739), (4094, 70670), (4255, 67996), (4393, 65860), (6586, 43930), (7067, 40940), (8188, 35335), (8510, 33998), (8786, 32930), (10235, 28268), (13172, 21965), (14134, 20470), (16465, 17572), (16999, 17020)]