1219516420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2233

約数の個数: 72

約数和(自身を含む): 2748742920

約数和(自身を除く): 1529226500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 289, 340, 404, 505, 578, 1010, 1156, 1445, 1717, 2020, 2089, 2890, 3434, 4178, 5780, 6868, 8356, 8585, 10445, 17170, 20890, 29189, 34340, 35513, 41780, 58378, 71026, 116756, 142052, 145945, 177565, 210989, 291890, 355130, 421978, 583780, 603721, 710260, 843956, 1054945, 1207442, 2109890, 2414884, 3018605, 3586813, 4219780, 6037210, 7173626, 12074420, 14347252, 17934065, 35868130, 60975821, 71736260, 121951642, 243903284, 304879105, 609758210, 1219516420]

約数ペア:

[(1, 1219516420), (2, 609758210), (4, 304879105), (5, 243903284), (10, 121951642), (17, 71736260), (20, 60975821), (34, 35868130), (68, 17934065), (85, 14347252), (101, 12074420), (170, 7173626), (202, 6037210), (289, 4219780), (340, 3586813), (404, 3018605), (505, 2414884), (578, 2109890), (1010, 1207442), (1156, 1054945), (1445, 843956), (1717, 710260), (2020, 603721), (2089, 583780), (2890, 421978), (3434, 355130), (4178, 291890), (5780, 210989), (6868, 177565), (8356, 145945), (8585, 142052), (10445, 116756), (17170, 71026), (20890, 58378), (29189, 41780), (34340, 35513)]