664362550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1406

約数の個数: 96

約数和(自身を含む): 1422766080

約数和(自身を除く): 758403530

約数列:

[1, 2, 5, 10, 17, 19, 25, 31, 34, 38, 50, 62, 85, 95, 155, 170, 190, 310, 323, 425, 475, 527, 589, 646, 775, 850, 950, 1054, 1178, 1327, 1550, 1615, 2635, 2654, 2945, 3230, 5270, 5890, 6635, 8075, 10013, 13175, 13270, 14725, 16150, 20026, 22559, 25213, 26350, 29450, 33175, 41137, 45118, 50065, 50426, 66350, 82274, 100130, 112795, 126065, 205685, 225590, 250325, 252130, 411370, 428621, 500650, 563975, 630325, 699329, 781603, 857242, 1028425, 1127950, 1260650, 1398658, 1563206, 2056850, 2143105, 3496645, 3908015, 4286210, 6993290, 7816030, 10715525, 13287251, 17483225, 19540075, 21431050, 26574502, 34966450, 39080150, 66436255, 132872510, 332181275, 664362550]

約数ペア:

[(1, 664362550), (2, 332181275), (5, 132872510), (10, 66436255), (17, 39080150), (19, 34966450), (25, 26574502), (31, 21431050), (34, 19540075), (38, 17483225), (50, 13287251), (62, 10715525), (85, 7816030), (95, 6993290), (155, 4286210), (170, 3908015), (190, 3496645), (310, 2143105), (323, 2056850), (425, 1563206), (475, 1398658), (527, 1260650), (589, 1127950), (646, 1028425), (775, 857242), (850, 781603), (950, 699329), (1054, 630325), (1178, 563975), (1327, 500650), (1550, 428621), (1615, 411370), (2635, 252130), (2654, 250325), (2945, 225590), (3230, 205685), (5270, 126065), (5890, 112795), (6635, 100130), (8075, 82274), (10013, 66350), (13175, 50426), (13270, 50065), (14725, 45118), (16150, 41137), (20026, 33175), (22559, 29450), (25213, 26350)]