497687900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1607}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 1144510080

約数和(自身を除く): 646822180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 163, 190, 326, 380, 475, 652, 815, 950, 1607, 1630, 1900, 3097, 3214, 3260, 4075, 6194, 6428, 8035, 8150, 12388, 15485, 16070, 16300, 30533, 30970, 32140, 40175, 61066, 61940, 77425, 80350, 122132, 152665, 154850, 160700, 261941, 305330, 309700, 523882, 610660, 763325, 1047764, 1309705, 1526650, 2619410, 3053300, 4976879, 5238820, 6548525, 9953758, 13097050, 19907516, 24884395, 26194100, 49768790, 99537580, 124421975, 248843950, 497687900]

約数ペア:

[(1, 497687900), (2, 248843950), (4, 124421975), (5, 99537580), (10, 49768790), (19, 26194100), (20, 24884395), (25, 19907516), (38, 13097050), (50, 9953758), (76, 6548525), (95, 5238820), (100, 4976879), (163, 3053300), (190, 2619410), (326, 1526650), (380, 1309705), (475, 1047764), (652, 763325), (815, 610660), (950, 523882), (1607, 309700), (1630, 305330), (1900, 261941), (3097, 160700), (3214, 154850), (3260, 152665), (4075, 122132), (6194, 80350), (6428, 77425), (8035, 61940), (8150, 61066), (12388, 40175), (15485, 32140), (16070, 30970), (16300, 30533)]