42590780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 100236528

約数和(自身を除く): 57645748

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 347, 361, 380, 646, 694, 722, 1292, 1388, 1444, 1615, 1735, 1805, 3230, 3470, 3610, 5899, 6137, 6460, 6593, 6940, 7220, 11798, 12274, 13186, 23596, 24548, 26372, 29495, 30685, 32965, 58990, 61370, 65930, 112081, 117980, 122740, 125267, 131860, 224162, 250534, 448324, 501068, 560405, 626335, 1120810, 1252670, 2129539, 2241620, 2505340, 4259078, 8518156, 10647695, 21295390, 42590780]

約数ペア:

[(1, 42590780), (2, 21295390), (4, 10647695), (5, 8518156), (10, 4259078), (17, 2505340), (19, 2241620), (20, 2129539), (34, 1252670), (38, 1120810), (68, 626335), (76, 560405), (85, 501068), (95, 448324), (170, 250534), (190, 224162), (323, 131860), (340, 125267), (347, 122740), (361, 117980), (380, 112081), (646, 65930), (694, 61370), (722, 58990), (1292, 32965), (1388, 30685), (1444, 29495), (1615, 26372), (1735, 24548), (1805, 23596), (3230, 13186), (3470, 12274), (3610, 11798), (5899, 7220), (6137, 6940), (6460, 6593)]