138645290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 295488000

約数和(自身を除く): 156842710

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 199, 259, 269, 370, 398, 518, 538, 995, 1295, 1345, 1393, 1883, 1990, 2590, 2690, 2786, 3766, 6965, 7363, 9415, 9953, 13930, 14726, 18830, 19906, 36815, 49765, 51541, 53531, 69671, 73630, 99530, 103082, 107062, 139342, 257705, 267655, 348355, 374717, 515410, 535310, 696710, 749434, 1873585, 1980647, 3747170, 3961294, 9903235, 13864529, 19806470, 27729058, 69322645, 138645290]

約数ペア:

[(1, 138645290), (2, 69322645), (5, 27729058), (7, 19806470), (10, 13864529), (14, 9903235), (35, 3961294), (37, 3747170), (70, 1980647), (74, 1873585), (185, 749434), (199, 696710), (259, 535310), (269, 515410), (370, 374717), (398, 348355), (518, 267655), (538, 257705), (995, 139342), (1295, 107062), (1345, 103082), (1393, 99530), (1883, 73630), (1990, 69671), (2590, 53531), (2690, 51541), (2786, 49765), (3766, 36815), (6965, 19906), (7363, 18830), (9415, 14726), (9953, 13930)]