142867375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 220446720

約数和(自身を除く): 77579345

約数列:

[1, 5, 7, 23, 25, 31, 35, 115, 125, 155, 161, 175, 217, 229, 575, 713, 775, 805, 875, 1085, 1145, 1603, 2875, 3565, 3875, 4025, 4991, 5267, 5425, 5725, 7099, 8015, 17825, 20125, 24955, 26335, 27125, 28625, 35495, 36869, 40075, 49693, 89125, 124775, 131675, 163277, 177475, 184345, 200375, 248465, 623875, 658375, 816385, 887375, 921725, 1142939, 1242325, 4081925, 4608625, 5714695, 6211625, 20409625, 28573475, 142867375]

約数ペア:

[(1, 142867375), (5, 28573475), (7, 20409625), (23, 6211625), (25, 5714695), (31, 4608625), (35, 4081925), (115, 1242325), (125, 1142939), (155, 921725), (161, 887375), (175, 816385), (217, 658375), (229, 623875), (575, 248465), (713, 200375), (775, 184345), (805, 177475), (875, 163277), (1085, 131675), (1145, 124775), (1603, 89125), (2875, 49693), (3565, 40075), (3875, 36869), (4025, 35495), (4991, 28625), (5267, 27125), (5425, 26335), (5725, 24955), (7099, 20125), (8015, 17825)]