1945900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 4843440

約数和(自身を除く): 2897540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 61, 100, 110, 116, 122, 145, 220, 244, 275, 290, 305, 319, 550, 580, 610, 638, 671, 725, 1100, 1220, 1276, 1342, 1450, 1525, 1595, 1769, 2684, 2900, 3050, 3190, 3355, 3538, 6100, 6380, 6710, 7076, 7975, 8845, 13420, 15950, 16775, 17690, 19459, 31900, 33550, 35380, 38918, 44225, 67100, 77836, 88450, 97295, 176900, 194590, 389180, 486475, 972950, 1945900]

約数ペア:

[(1, 1945900), (2, 972950), (4, 486475), (5, 389180), (10, 194590), (11, 176900), (20, 97295), (22, 88450), (25, 77836), (29, 67100), (44, 44225), (50, 38918), (55, 35380), (58, 33550), (61, 31900), (100, 19459), (110, 17690), (116, 16775), (122, 15950), (145, 13420), (220, 8845), (244, 7975), (275, 7076), (290, 6710), (305, 6380), (319, 6100), (550, 3538), (580, 3355), (610, 3190), (638, 3050), (671, 2900), (725, 2684), (1100, 1769), (1220, 1595), (1276, 1525), (1342, 1450)]