1291278650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1344

約数の個数: 96

約数和(自身を含む): 2678400000

約数和(自身を除く): 1387121350

約数列:

[1, 2, 5, 10, 23, 25, 29, 31, 46, 50, 58, 62, 115, 145, 155, 230, 290, 310, 575, 667, 713, 725, 775, 899, 1150, 1249, 1334, 1426, 1450, 1550, 1798, 2498, 3335, 3565, 4495, 6245, 6670, 7130, 8990, 12490, 16675, 17825, 20677, 22475, 28727, 31225, 33350, 35650, 36221, 38719, 41354, 44950, 57454, 62450, 72442, 77438, 103385, 143635, 181105, 193595, 206770, 287270, 362210, 387190, 516925, 718175, 833083, 890537, 905525, 967975, 1033850, 1122851, 1436350, 1666166, 1781074, 1811050, 1935950, 2245702, 4165415, 4452685, 5614255, 8330830, 8905370, 11228510, 20827075, 22263425, 25825573, 28071275, 41654150, 44526850, 51651146, 56142550, 129127865, 258255730, 645639325, 1291278650]

約数ペア:

[(1, 1291278650), (2, 645639325), (5, 258255730), (10, 129127865), (23, 56142550), (25, 51651146), (29, 44526850), (31, 41654150), (46, 28071275), (50, 25825573), (58, 22263425), (62, 20827075), (115, 11228510), (145, 8905370), (155, 8330830), (230, 5614255), (290, 4452685), (310, 4165415), (575, 2245702), (667, 1935950), (713, 1811050), (725, 1781074), (775, 1666166), (899, 1436350), (1150, 1122851), (1249, 1033850), (1334, 967975), (1426, 905525), (1450, 890537), (1550, 833083), (1798, 718175), (2498, 516925), (3335, 387190), (3565, 362210), (4495, 287270), (6245, 206770), (6670, 193595), (7130, 181105), (8990, 143635), (12490, 103385), (16675, 77438), (17825, 72442), (20677, 62450), (22475, 57454), (28727, 44950), (31225, 41354), (33350, 38719), (35650, 36221)]