1998590940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{103769}}^1$

素因数の和:103891

約数の個数: 72

約数和(自身を含む): 6119109360

約数和(自身を除く): 4120518420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6420, 9630, 19260, 103769, 207538, 311307, 415076, 518845, 622614, 933921, 1037690, 1245228, 1556535, 1867842, 2075380, 3113070, 3735684, 4669605, 6226140, 9339210, 11103283, 18678420, 22206566, 33309849, 44413132, 55516415, 66619698, 99929547, 111032830, 133239396, 166549245, 199859094, 222065660, 333098490, 399718188, 499647735, 666196980, 999295470, 1998590940]

約数ペア:

[(1, 1998590940), (2, 999295470), (3, 666196980), (4, 499647735), (5, 399718188), (6, 333098490), (9, 222065660), (10, 199859094), (12, 166549245), (15, 133239396), (18, 111032830), (20, 99929547), (30, 66619698), (36, 55516415), (45, 44413132), (60, 33309849), (90, 22206566), (107, 18678420), (180, 11103283), (214, 9339210), (321, 6226140), (428, 4669605), (535, 3735684), (642, 3113070), (963, 2075380), (1070, 1867842), (1284, 1556535), (1605, 1245228), (1926, 1037690), (2140, 933921), (3210, 622614), (3852, 518845), (4815, 415076), (6420, 311307), (9630, 207538), (19260, 103769)]