2011346650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 4099737600

約数和(自身を除く): 2088390950

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 163, 190, 310, 326, 419, 475, 589, 775, 815, 838, 950, 1178, 1550, 1630, 2095, 2945, 3097, 4075, 4190, 5053, 5890, 6194, 7961, 8150, 10106, 10475, 12989, 14725, 15485, 15922, 20950, 25265, 25978, 29450, 30970, 39805, 50530, 64945, 68297, 77425, 79610, 96007, 126325, 129890, 136594, 154850, 192014, 199025, 246791, 252650, 324725, 341485, 398050, 480035, 493582, 649450, 682970, 960070, 1233955, 1297643, 1707425, 2117207, 2400175, 2467910, 2595286, 3414850, 4234414, 4800350, 6169775, 6488215, 10586035, 12339550, 12976430, 21172070, 32441075, 40226933, 52930175, 64882150, 80453866, 105860350, 201134665, 402269330, 1005673325, 2011346650]

約数ペア:

[(1, 2011346650), (2, 1005673325), (5, 402269330), (10, 201134665), (19, 105860350), (25, 80453866), (31, 64882150), (38, 52930175), (50, 40226933), (62, 32441075), (95, 21172070), (155, 12976430), (163, 12339550), (190, 10586035), (310, 6488215), (326, 6169775), (419, 4800350), (475, 4234414), (589, 3414850), (775, 2595286), (815, 2467910), (838, 2400175), (950, 2117207), (1178, 1707425), (1550, 1297643), (1630, 1233955), (2095, 960070), (2945, 682970), (3097, 649450), (4075, 493582), (4190, 480035), (5053, 398050), (5890, 341485), (6194, 324725), (7961, 252650), (8150, 246791), (10106, 199025), (10475, 192014), (12989, 154850), (14725, 136594), (15485, 129890), (15922, 126325), (20950, 96007), (25265, 79610), (25978, 77425), (29450, 68297), (30970, 64945), (39805, 50530)]