678741830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1793

約数の個数: 64

約数和(自身を含む): 1401079680

約数和(自身を除く): 722337850

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 197, 221, 394, 442, 985, 1105, 1559, 1970, 2210, 2561, 3118, 3349, 5122, 6698, 7795, 12805, 15590, 16745, 20267, 25610, 26503, 33490, 40534, 43537, 53006, 87074, 101335, 132515, 202670, 217685, 265030, 307123, 344539, 435370, 614246, 689078, 1535615, 1722695, 3071230, 3445390, 3992599, 5221091, 7985198, 10442182, 19962995, 26105455, 39925990, 52210910, 67874183, 135748366, 339370915, 678741830]

約数ペア:

[(1, 678741830), (2, 339370915), (5, 135748366), (10, 67874183), (13, 52210910), (17, 39925990), (26, 26105455), (34, 19962995), (65, 10442182), (85, 7985198), (130, 5221091), (170, 3992599), (197, 3445390), (221, 3071230), (394, 1722695), (442, 1535615), (985, 689078), (1105, 614246), (1559, 435370), (1970, 344539), (2210, 307123), (2561, 265030), (3118, 217685), (3349, 202670), (5122, 132515), (6698, 101335), (7795, 87074), (12805, 53006), (15590, 43537), (16745, 40534), (20267, 33490), (25610, 26503)]