28625340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20743}}^1$

素因数の和:20778

約数の個数: 48

約数和(自身を含む): 83639808

約数和(自身を除く): 55014468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20743, 41486, 62229, 82972, 103715, 124458, 207430, 248916, 311145, 414860, 477089, 622290, 954178, 1244580, 1431267, 1908356, 2385445, 2862534, 4770890, 5725068, 7156335, 9541780, 14312670, 28625340]

約数ペア:

[(1, 28625340), (2, 14312670), (3, 9541780), (4, 7156335), (5, 5725068), (6, 4770890), (10, 2862534), (12, 2385445), (15, 1908356), (20, 1431267), (23, 1244580), (30, 954178), (46, 622290), (60, 477089), (69, 414860), (92, 311145), (115, 248916), (138, 207430), (230, 124458), (276, 103715), (345, 82972), (460, 62229), (690, 41486), (1380, 20743)]