304849660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 690697728

約数和(自身を除く): 385848068

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 97, 124, 137, 148, 155, 185, 194, 274, 310, 370, 388, 485, 548, 620, 685, 740, 970, 1147, 1370, 1940, 2294, 2740, 3007, 3589, 4247, 4588, 5069, 5735, 6014, 7178, 8494, 10138, 11470, 12028, 13289, 14356, 15035, 16988, 17945, 20276, 21235, 22940, 25345, 26578, 30070, 35890, 42470, 50690, 53156, 60140, 66445, 71780, 84940, 101380, 111259, 132890, 157139, 222518, 265780, 314278, 411959, 445036, 491693, 556295, 628556, 785695, 823918, 983386, 1112590, 1571390, 1647836, 1966772, 2059795, 2225180, 2458465, 3142780, 4119590, 4916930, 8239180, 9833860, 15242483, 30484966, 60969932, 76212415, 152424830, 304849660]

約数ペア:

[(1, 304849660), (2, 152424830), (4, 76212415), (5, 60969932), (10, 30484966), (20, 15242483), (31, 9833860), (37, 8239180), (62, 4916930), (74, 4119590), (97, 3142780), (124, 2458465), (137, 2225180), (148, 2059795), (155, 1966772), (185, 1647836), (194, 1571390), (274, 1112590), (310, 983386), (370, 823918), (388, 785695), (485, 628556), (548, 556295), (620, 491693), (685, 445036), (740, 411959), (970, 314278), (1147, 265780), (1370, 222518), (1940, 157139), (2294, 132890), (2740, 111259), (3007, 101380), (3589, 84940), (4247, 71780), (4588, 66445), (5069, 60140), (5735, 53156), (6014, 50690), (7178, 42470), (8494, 35890), (10138, 30070), (11470, 26578), (12028, 25345), (13289, 22940), (14356, 21235), (15035, 20276), (16988, 17945)]