2019911300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{30103}}^1$

素因数の和:30189

約数の個数: 72

約数和(自身を含む): 4860230592

約数和(自身を除く): 2840319292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 550, 610, 671, 1100, 1220, 1342, 1525, 2684, 3050, 3355, 6100, 6710, 13420, 16775, 30103, 33550, 60206, 67100, 120412, 150515, 301030, 331133, 602060, 662266, 752575, 1324532, 1505150, 1655665, 1836283, 3010300, 3311330, 3672566, 6622660, 7345132, 8278325, 9181415, 16556650, 18362830, 20199113, 33113300, 36725660, 40398226, 45907075, 80796452, 91814150, 100995565, 183628300, 201991130, 403982260, 504977825, 1009955650, 2019911300]

約数ペア:

[(1, 2019911300), (2, 1009955650), (4, 504977825), (5, 403982260), (10, 201991130), (11, 183628300), (20, 100995565), (22, 91814150), (25, 80796452), (44, 45907075), (50, 40398226), (55, 36725660), (61, 33113300), (100, 20199113), (110, 18362830), (122, 16556650), (220, 9181415), (244, 8278325), (275, 7345132), (305, 6622660), (550, 3672566), (610, 3311330), (671, 3010300), (1100, 1836283), (1220, 1655665), (1342, 1505150), (1525, 1324532), (2684, 752575), (3050, 662266), (3355, 602060), (6100, 331133), (6710, 301030), (13420, 150515), (16775, 120412), (30103, 67100), (33550, 60206)]