90689725

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 135070720

約数和(自身を除く): 44380995

約数列:

[1, 5, 7, 25, 31, 35, 73, 155, 175, 217, 229, 365, 511, 775, 1085, 1145, 1603, 1825, 2263, 2555, 5425, 5725, 7099, 8015, 11315, 12775, 15841, 16717, 35495, 40075, 49693, 56575, 79205, 83585, 117019, 177475, 248465, 396025, 417925, 518227, 585095, 1242325, 2591135, 2925475, 3627589, 12955675, 18137945, 90689725]

約数ペア:

[(1, 90689725), (5, 18137945), (7, 12955675), (25, 3627589), (31, 2925475), (35, 2591135), (73, 1242325), (155, 585095), (175, 518227), (217, 417925), (229, 396025), (365, 248465), (511, 177475), (775, 117019), (1085, 83585), (1145, 79205), (1603, 56575), (1825, 49693), (2263, 40075), (2555, 35495), (5425, 16717), (5725, 15841), (7099, 12775), (8015, 11315)]