283905215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 410572800

約数和(自身を除く): 126667585

約数列:

[1, 5, 11, 23, 29, 55, 71, 109, 115, 145, 253, 319, 355, 545, 667, 781, 1199, 1265, 1595, 1633, 2059, 2507, 3161, 3335, 3905, 5995, 7337, 7739, 8165, 10295, 12535, 15805, 17963, 22649, 27577, 34771, 36685, 38695, 47357, 72703, 85129, 89815, 113245, 137885, 173855, 177997, 224431, 236785, 363515, 425645, 520927, 799733, 889985, 1122155, 1957967, 2468741, 2604635, 3998665, 5161913, 9789835, 12343705, 25809565, 56781043, 283905215]

約数ペア:

[(1, 283905215), (5, 56781043), (11, 25809565), (23, 12343705), (29, 9789835), (55, 5161913), (71, 3998665), (109, 2604635), (115, 2468741), (145, 1957967), (253, 1122155), (319, 889985), (355, 799733), (545, 520927), (667, 425645), (781, 363515), (1199, 236785), (1265, 224431), (1595, 177997), (1633, 173855), (2059, 137885), (2507, 113245), (3161, 89815), (3335, 85129), (3905, 72703), (5995, 47357), (7337, 38695), (7739, 36685), (8165, 34771), (10295, 27577), (12535, 22649), (15805, 17963)]