219325550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 446455800

約数和(自身を除く): 227130250

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 361, 419, 475, 551, 722, 725, 838, 950, 1102, 1450, 1805, 2095, 2755, 3610, 4190, 5510, 7961, 9025, 10469, 10475, 12151, 13775, 15922, 18050, 20938, 20950, 24302, 27550, 39805, 52345, 60755, 79610, 104690, 121510, 151259, 199025, 230869, 261725, 302518, 303775, 398050, 461738, 523450, 607550, 756295, 1154345, 1512590, 2308690, 3781475, 4386511, 5771725, 7562950, 8773022, 11543450, 21932555, 43865110, 109662775, 219325550]

約数ペア:

[(1, 219325550), (2, 109662775), (5, 43865110), (10, 21932555), (19, 11543450), (25, 8773022), (29, 7562950), (38, 5771725), (50, 4386511), (58, 3781475), (95, 2308690), (145, 1512590), (190, 1154345), (290, 756295), (361, 607550), (419, 523450), (475, 461738), (551, 398050), (722, 303775), (725, 302518), (838, 261725), (950, 230869), (1102, 199025), (1450, 151259), (1805, 121510), (2095, 104690), (2755, 79610), (3610, 60755), (4190, 52345), (5510, 39805), (7961, 27550), (9025, 24302), (10469, 20950), (10475, 20938), (12151, 18050), (13775, 15922)]