51039950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 112492800

約数和(自身を除く): 61452850

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 149, 155, 170, 221, 298, 310, 325, 403, 425, 442, 527, 650, 745, 775, 806, 850, 1054, 1105, 1490, 1550, 1937, 2015, 2210, 2533, 2635, 3725, 3874, 4030, 4619, 5066, 5270, 5525, 6851, 7450, 9238, 9685, 10075, 11050, 12665, 13175, 13702, 19370, 20150, 23095, 25330, 26350, 32929, 34255, 46190, 48425, 60047, 63325, 65858, 68510, 78523, 96850, 115475, 120094, 126650, 157046, 164645, 171275, 230950, 300235, 329290, 342550, 392615, 600470, 785230, 823225, 1020799, 1501175, 1646450, 1963075, 2041598, 3002350, 3926150, 5103995, 10207990, 25519975, 51039950]

約数ペア:

[(1, 51039950), (2, 25519975), (5, 10207990), (10, 5103995), (13, 3926150), (17, 3002350), (25, 2041598), (26, 1963075), (31, 1646450), (34, 1501175), (50, 1020799), (62, 823225), (65, 785230), (85, 600470), (130, 392615), (149, 342550), (155, 329290), (170, 300235), (221, 230950), (298, 171275), (310, 164645), (325, 157046), (403, 126650), (425, 120094), (442, 115475), (527, 96850), (650, 78523), (745, 68510), (775, 65858), (806, 63325), (850, 60047), (1054, 48425), (1105, 46190), (1490, 34255), (1550, 32929), (1937, 26350), (2015, 25330), (2210, 23095), (2533, 20150), (2635, 19370), (3725, 13702), (3874, 13175), (4030, 12665), (4619, 11050), (5066, 10075), (5270, 9685), (5525, 9238), (6851, 7450)]