31184450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 66491280

約数和(自身を除く): 35306830

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 59, 62, 110, 118, 155, 275, 295, 310, 341, 550, 590, 649, 682, 775, 961, 1298, 1475, 1550, 1705, 1829, 1922, 2950, 3245, 3410, 3658, 4805, 6490, 8525, 9145, 9610, 10571, 16225, 17050, 18290, 20119, 21142, 24025, 32450, 40238, 45725, 48050, 52855, 56699, 91450, 100595, 105710, 113398, 201190, 264275, 283495, 502975, 528550, 566990, 623689, 1005950, 1247378, 1417475, 2834950, 3118445, 6236890, 15592225, 31184450]

約数ペア:

[(1, 31184450), (2, 15592225), (5, 6236890), (10, 3118445), (11, 2834950), (22, 1417475), (25, 1247378), (31, 1005950), (50, 623689), (55, 566990), (59, 528550), (62, 502975), (110, 283495), (118, 264275), (155, 201190), (275, 113398), (295, 105710), (310, 100595), (341, 91450), (550, 56699), (590, 52855), (649, 48050), (682, 45725), (775, 40238), (961, 32450), (1298, 24025), (1475, 21142), (1550, 20119), (1705, 18290), (1829, 17050), (1922, 16225), (2950, 10571), (3245, 9610), (3410, 9145), (3658, 8525), (4805, 6490)]