280310512

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 551388816

約数和(自身を除く): 271078304

約数列:

[1, 2, 4, 8, 16, 113, 197, 226, 394, 452, 787, 788, 904, 1574, 1576, 1808, 3148, 3152, 6296, 12592, 22261, 44522, 88931, 89044, 155039, 177862, 178088, 310078, 355724, 356176, 620156, 711448, 1240312, 1422896, 2480624, 17519407, 35038814, 70077628, 140155256, 280310512]

約数ペア:

[(1, 280310512), (2, 140155256), (4, 70077628), (8, 35038814), (16, 17519407), (113, 2480624), (197, 1422896), (226, 1240312), (394, 711448), (452, 620156), (787, 356176), (788, 355724), (904, 310078), (1574, 178088), (1576, 177862), (1808, 155039), (3148, 89044), (3152, 88931), (6296, 44522), (12592, 22261)]