4350980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5519356

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 191, 268, 335, 340, 382, 670, 764, 955, 1139, 1340, 1910, 2278, 3247, 3820, 4556, 5695, 6494, 11390, 12797, 12988, 16235, 22780, 25594, 32470, 51188, 63985, 64940, 127970, 217549, 255940, 435098, 870196, 1087745, 2175490, 4350980]

約数ペア:

[(1, 4350980), (2, 2175490), (4, 1087745), (5, 870196), (10, 435098), (17, 255940), (20, 217549), (34, 127970), (67, 64940), (68, 63985), (85, 51188), (134, 32470), (170, 25594), (191, 22780), (268, 16235), (335, 12988), (340, 12797), (382, 11390), (670, 6494), (764, 5695), (955, 4556), (1139, 3820), (1340, 3247), (1910, 2278)]