51267700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 108

約数和(自身を含む): 129297280

約数和(自身を除く): 78029580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 121, 190, 209, 220, 223, 242, 275, 380, 418, 446, 475, 484, 550, 605, 836, 892, 950, 1045, 1100, 1115, 1210, 1900, 2090, 2230, 2299, 2420, 2453, 3025, 4180, 4237, 4460, 4598, 4906, 5225, 5575, 6050, 8474, 9196, 9812, 10450, 11150, 11495, 12100, 12265, 16948, 20900, 21185, 22300, 22990, 24530, 26983, 42370, 45980, 46607, 49060, 53966, 57475, 61325, 84740, 93214, 105925, 107932, 114950, 122650, 134915, 186428, 211850, 229900, 233035, 245300, 269830, 423700, 466070, 512677, 539660, 674575, 932140, 1025354, 1165175, 1349150, 2050708, 2330350, 2563385, 2698300, 4660700, 5126770, 10253540, 12816925, 25633850, 51267700]

約数ペア:

[(1, 51267700), (2, 25633850), (4, 12816925), (5, 10253540), (10, 5126770), (11, 4660700), (19, 2698300), (20, 2563385), (22, 2330350), (25, 2050708), (38, 1349150), (44, 1165175), (50, 1025354), (55, 932140), (76, 674575), (95, 539660), (100, 512677), (110, 466070), (121, 423700), (190, 269830), (209, 245300), (220, 233035), (223, 229900), (242, 211850), (275, 186428), (380, 134915), (418, 122650), (446, 114950), (475, 107932), (484, 105925), (550, 93214), (605, 84740), (836, 61325), (892, 57475), (950, 53966), (1045, 49060), (1100, 46607), (1115, 45980), (1210, 42370), (1900, 26983), (2090, 24530), (2230, 22990), (2299, 22300), (2420, 21185), (2453, 20900), (3025, 16948), (4180, 12265), (4237, 12100), (4460, 11495), (4598, 11150), (4906, 10450), (5225, 9812), (5575, 9196), (6050, 8474)]