42507820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 58614740

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 37, 62, 68, 74, 85, 109, 124, 148, 155, 170, 185, 218, 310, 340, 370, 436, 527, 545, 620, 629, 740, 1054, 1090, 1147, 1258, 1853, 2108, 2180, 2294, 2516, 2635, 3145, 3379, 3706, 4033, 4588, 5270, 5735, 6290, 6758, 7412, 8066, 9265, 10540, 11470, 12580, 13516, 16132, 16895, 18530, 19499, 20165, 22940, 33790, 37060, 38998, 40330, 57443, 67580, 68561, 77996, 80660, 97495, 114886, 125023, 137122, 194990, 229772, 250046, 274244, 287215, 342805, 389980, 500092, 574430, 625115, 685610, 1148860, 1250230, 1371220, 2125391, 2500460, 4250782, 8501564, 10626955, 21253910, 42507820]

約数ペア:

[(1, 42507820), (2, 21253910), (4, 10626955), (5, 8501564), (10, 4250782), (17, 2500460), (20, 2125391), (31, 1371220), (34, 1250230), (37, 1148860), (62, 685610), (68, 625115), (74, 574430), (85, 500092), (109, 389980), (124, 342805), (148, 287215), (155, 274244), (170, 250046), (185, 229772), (218, 194990), (310, 137122), (340, 125023), (370, 114886), (436, 97495), (527, 80660), (545, 77996), (620, 68561), (629, 67580), (740, 57443), (1054, 40330), (1090, 38998), (1147, 37060), (1258, 33790), (1853, 22940), (2108, 20165), (2180, 19499), (2294, 18530), (2516, 16895), (2635, 16132), (3145, 13516), (3379, 12580), (3706, 11470), (4033, 10540), (4588, 9265), (5270, 8066), (5735, 7412), (6290, 6758)]