90985895

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 152464032

約数和(自身を除く): 61478137

約数列:

[1, 5, 7, 11, 13, 35, 49, 53, 55, 65, 77, 91, 143, 245, 265, 343, 371, 385, 455, 539, 583, 637, 689, 715, 1001, 1715, 1855, 2401, 2597, 2695, 2915, 3185, 3445, 3773, 4081, 4459, 4823, 5005, 7007, 7579, 12005, 12985, 18179, 18865, 20405, 22295, 24115, 26411, 28567, 31213, 33761, 35035, 37895, 49049, 53053, 90895, 127253, 132055, 142835, 156065, 168805, 199969, 236327, 245245, 265265, 343343, 371371, 636265, 999845, 1181635, 1399783, 1654289, 1716715, 1856855, 2599597, 6998915, 8271445, 12997985, 18197179, 90985895]

約数ペア:

[(1, 90985895), (5, 18197179), (7, 12997985), (11, 8271445), (13, 6998915), (35, 2599597), (49, 1856855), (53, 1716715), (55, 1654289), (65, 1399783), (77, 1181635), (91, 999845), (143, 636265), (245, 371371), (265, 343343), (343, 265265), (371, 245245), (385, 236327), (455, 199969), (539, 168805), (583, 156065), (637, 142835), (689, 132055), (715, 127253), (1001, 90895), (1715, 53053), (1855, 49049), (2401, 37895), (2597, 35035), (2695, 33761), (2915, 31213), (3185, 28567), (3445, 26411), (3773, 24115), (4081, 22295), (4459, 20405), (4823, 18865), (5005, 18179), (7007, 12985), (7579, 12005)]