2121819800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11801}}^1$

素因数の和:11877

約数の個数: 96

約数和(自身を含む): 5268412800

約数和(自身を除く): 3146593000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 31, 40, 50, 58, 62, 100, 116, 124, 145, 155, 200, 232, 248, 290, 310, 580, 620, 725, 775, 899, 1160, 1240, 1450, 1550, 1798, 2900, 3100, 3596, 4495, 5800, 6200, 7192, 8990, 11801, 17980, 22475, 23602, 35960, 44950, 47204, 59005, 89900, 94408, 118010, 179800, 236020, 295025, 342229, 365831, 472040, 590050, 684458, 731662, 1180100, 1368916, 1463324, 1711145, 1829155, 2360200, 2737832, 2926648, 3422290, 3658310, 6844580, 7316620, 8555725, 9145775, 10609099, 13689160, 14633240, 17111450, 18291550, 21218198, 34222900, 36583100, 42436396, 53045495, 68445800, 73166200, 84872792, 106090990, 212181980, 265227475, 424363960, 530454950, 1060909900, 2121819800]

約数ペア:

[(1, 2121819800), (2, 1060909900), (4, 530454950), (5, 424363960), (8, 265227475), (10, 212181980), (20, 106090990), (25, 84872792), (29, 73166200), (31, 68445800), (40, 53045495), (50, 42436396), (58, 36583100), (62, 34222900), (100, 21218198), (116, 18291550), (124, 17111450), (145, 14633240), (155, 13689160), (200, 10609099), (232, 9145775), (248, 8555725), (290, 7316620), (310, 6844580), (580, 3658310), (620, 3422290), (725, 2926648), (775, 2737832), (899, 2360200), (1160, 1829155), (1240, 1711145), (1450, 1463324), (1550, 1368916), (1798, 1180100), (2900, 731662), (3100, 684458), (3596, 590050), (4495, 472040), (5800, 365831), (6200, 342229), (7192, 295025), (8990, 236020), (11801, 179800), (17980, 118010), (22475, 94408), (23602, 89900), (35960, 59005), (44950, 47204)]