51213550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 108564480

約数和(自身を除く): 57350930

約数列:

[1, 2, 5, 10, 19, 25, 31, 37, 38, 47, 50, 62, 74, 94, 95, 155, 185, 190, 235, 310, 370, 470, 475, 589, 703, 775, 893, 925, 950, 1147, 1175, 1178, 1406, 1457, 1550, 1739, 1786, 1850, 2294, 2350, 2914, 2945, 3478, 3515, 4465, 5735, 5890, 7030, 7285, 8695, 8930, 11470, 14570, 14725, 17390, 17575, 21793, 22325, 27683, 28675, 29450, 33041, 35150, 36425, 43475, 43586, 44650, 53909, 55366, 57350, 66082, 72850, 86950, 107818, 108965, 138415, 165205, 217930, 269545, 276830, 330410, 539090, 544825, 692075, 826025, 1024271, 1089650, 1347725, 1384150, 1652050, 2048542, 2695450, 5121355, 10242710, 25606775, 51213550]

約数ペア:

[(1, 51213550), (2, 25606775), (5, 10242710), (10, 5121355), (19, 2695450), (25, 2048542), (31, 1652050), (37, 1384150), (38, 1347725), (47, 1089650), (50, 1024271), (62, 826025), (74, 692075), (94, 544825), (95, 539090), (155, 330410), (185, 276830), (190, 269545), (235, 217930), (310, 165205), (370, 138415), (470, 108965), (475, 107818), (589, 86950), (703, 72850), (775, 66082), (893, 57350), (925, 55366), (950, 53909), (1147, 44650), (1175, 43586), (1178, 43475), (1406, 36425), (1457, 35150), (1550, 33041), (1739, 29450), (1786, 28675), (1850, 27683), (2294, 22325), (2350, 21793), (2914, 17575), (2945, 17390), (3478, 14725), (3515, 14570), (4465, 11470), (5735, 8930), (5890, 8695), (7030, 7285)]