900680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 2332800

約数和(自身を除く): 1432120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 89, 92, 110, 115, 178, 184, 220, 230, 253, 356, 440, 445, 460, 506, 712, 890, 920, 979, 1012, 1265, 1780, 1958, 2024, 2047, 2530, 3560, 3916, 4094, 4895, 5060, 7832, 8188, 9790, 10120, 10235, 16376, 19580, 20470, 22517, 39160, 40940, 45034, 81880, 90068, 112585, 180136, 225170, 450340, 900680]

約数ペア:

[(1, 900680), (2, 450340), (4, 225170), (5, 180136), (8, 112585), (10, 90068), (11, 81880), (20, 45034), (22, 40940), (23, 39160), (40, 22517), (44, 20470), (46, 19580), (55, 16376), (88, 10235), (89, 10120), (92, 9790), (110, 8188), (115, 7832), (178, 5060), (184, 4895), (220, 4094), (230, 3916), (253, 3560), (356, 2530), (440, 2047), (445, 2024), (460, 1958), (506, 1780), (712, 1265), (890, 1012), (920, 979)]