153923275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 222307200

約数和(自身を除く): 68383925

約数列:

[1, 5, 11, 19, 25, 55, 89, 95, 209, 275, 331, 445, 475, 979, 1045, 1655, 1691, 2225, 3641, 4895, 5225, 6289, 8275, 8455, 18205, 18601, 24475, 29459, 31445, 42275, 69179, 91025, 93005, 147295, 157225, 324049, 345895, 465025, 559721, 736475, 1620245, 1729475, 2798605, 6156931, 8101225, 13993025, 30784655, 153923275]

約数ペア:

[(1, 153923275), (5, 30784655), (11, 13993025), (19, 8101225), (25, 6156931), (55, 2798605), (89, 1729475), (95, 1620245), (209, 736475), (275, 559721), (331, 465025), (445, 345895), (475, 324049), (979, 157225), (1045, 147295), (1655, 93005), (1691, 91025), (2225, 69179), (3641, 42275), (4895, 31445), (5225, 29459), (6289, 24475), (8275, 18601), (8455, 18205)]