90365275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 157989888

約数和(自身を除く): 67624613

約数列:

[1, 5, 7, 11, 13, 23, 25, 35, 55, 65, 77, 91, 115, 143, 157, 161, 175, 253, 275, 299, 325, 385, 455, 575, 715, 785, 805, 1001, 1099, 1265, 1495, 1727, 1771, 1925, 2041, 2093, 2275, 3289, 3575, 3611, 3925, 4025, 5005, 5495, 6325, 7475, 8635, 8855, 10205, 10465, 12089, 14287, 16445, 18055, 22451, 23023, 25025, 25277, 27475, 39721, 43175, 44275, 46943, 51025, 52325, 60445, 71435, 82225, 90275, 112255, 115115, 126385, 157157, 198605, 234715, 278047, 302225, 328601, 357175, 516373, 561275, 575575, 631925, 785785, 993025, 1173575, 1390235, 1643005, 2581865, 3614611, 3928925, 6951175, 8215025, 12909325, 18073055, 90365275]

約数ペア:

[(1, 90365275), (5, 18073055), (7, 12909325), (11, 8215025), (13, 6951175), (23, 3928925), (25, 3614611), (35, 2581865), (55, 1643005), (65, 1390235), (77, 1173575), (91, 993025), (115, 785785), (143, 631925), (157, 575575), (161, 561275), (175, 516373), (253, 357175), (275, 328601), (299, 302225), (325, 278047), (385, 234715), (455, 198605), (575, 157157), (715, 126385), (785, 115115), (805, 112255), (1001, 90275), (1099, 82225), (1265, 71435), (1495, 60445), (1727, 52325), (1771, 51025), (1925, 46943), (2041, 44275), (2093, 43175), (2275, 39721), (3289, 27475), (3575, 25277), (3611, 25025), (3925, 23023), (4025, 22451), (5005, 18055), (5495, 16445), (6325, 14287), (7475, 12089), (8635, 10465), (8855, 10205)]