199465780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{743}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 433972224

約数和(自身を除く): 234506444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 433, 620, 743, 866, 1486, 1732, 2165, 2972, 3715, 4330, 7430, 8660, 13423, 14860, 23033, 26846, 46066, 53692, 67115, 92132, 115165, 134230, 230330, 268460, 321719, 460660, 643438, 1286876, 1608595, 3217190, 6434380, 9973289, 19946578, 39893156, 49866445, 99732890, 199465780]

約数ペア:

[(1, 199465780), (2, 99732890), (4, 49866445), (5, 39893156), (10, 19946578), (20, 9973289), (31, 6434380), (62, 3217190), (124, 1608595), (155, 1286876), (310, 643438), (433, 460660), (620, 321719), (743, 268460), (866, 230330), (1486, 134230), (1732, 115165), (2165, 92132), (2972, 67115), (3715, 53692), (4330, 46066), (7430, 26846), (8660, 23033), (13423, 14860)]