1991520900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{9497}}^1$

素因数の和:9750

約数の個数: 108

約数和(自身を含む): 6269762772

約数和(自身を除く): 4278241872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 233, 300, 450, 466, 699, 900, 932, 1165, 1398, 2097, 2330, 2796, 3495, 4194, 4660, 5825, 6990, 8388, 9497, 10485, 11650, 13980, 17475, 18994, 20970, 23300, 28491, 34950, 37988, 41940, 47485, 52425, 56982, 69900, 85473, 94970, 104850, 113964, 142455, 170946, 189940, 209700, 237425, 284910, 341892, 427365, 474850, 569820, 712275, 854730, 949700, 1424550, 1709460, 2136825, 2212801, 2849100, 4273650, 4425602, 6638403, 8547300, 8851204, 11064005, 13276806, 19915209, 22128010, 26553612, 33192015, 39830418, 44256020, 55320025, 66384030, 79660836, 99576045, 110640050, 132768060, 165960075, 199152090, 221280100, 331920150, 398304180, 497880225, 663840300, 995760450, 1991520900]

約数ペア:

[(1, 1991520900), (2, 995760450), (3, 663840300), (4, 497880225), (5, 398304180), (6, 331920150), (9, 221280100), (10, 199152090), (12, 165960075), (15, 132768060), (18, 110640050), (20, 99576045), (25, 79660836), (30, 66384030), (36, 55320025), (45, 44256020), (50, 39830418), (60, 33192015), (75, 26553612), (90, 22128010), (100, 19915209), (150, 13276806), (180, 11064005), (225, 8851204), (233, 8547300), (300, 6638403), (450, 4425602), (466, 4273650), (699, 2849100), (900, 2212801), (932, 2136825), (1165, 1709460), (1398, 1424550), (2097, 949700), (2330, 854730), (2796, 712275), (3495, 569820), (4194, 474850), (4660, 427365), (5825, 341892), (6990, 284910), (8388, 237425), (9497, 209700), (10485, 189940), (11650, 170946), (13980, 142455), (17475, 113964), (18994, 104850), (20970, 94970), (23300, 85473), (28491, 69900), (34950, 56982), (37988, 52425), (41940, 47485)]