281671600

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{2053}}^1$

素因数の和:2092

約数の個数: 120

約数和(自身を含む): 789557600

約数和(自身を除く): 507886000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1715, 1960, 2053, 2450, 2744, 2800, 3430, 3920, 4106, 4900, 5488, 6860, 8212, 8575, 9800, 10265, 13720, 14371, 16424, 17150, 19600, 20530, 27440, 28742, 32848, 34300, 41060, 51325, 57484, 68600, 71855, 82120, 100597, 102650, 114968, 137200, 143710, 164240, 201194, 205300, 229936, 287420, 359275, 402388, 410600, 502985, 574840, 704179, 718550, 804776, 821200, 1005970, 1149680, 1408358, 1437100, 1609552, 2011940, 2514925, 2816716, 2874200, 3520895, 4023880, 5029850, 5633432, 5748400, 7041790, 8047760, 10059700, 11266864, 14083580, 17604475, 20119400, 28167160, 35208950, 40238800, 56334320, 70417900, 140835800, 281671600]

約数ペア:

[(1, 281671600), (2, 140835800), (4, 70417900), (5, 56334320), (7, 40238800), (8, 35208950), (10, 28167160), (14, 20119400), (16, 17604475), (20, 14083580), (25, 11266864), (28, 10059700), (35, 8047760), (40, 7041790), (49, 5748400), (50, 5633432), (56, 5029850), (70, 4023880), (80, 3520895), (98, 2874200), (100, 2816716), (112, 2514925), (140, 2011940), (175, 1609552), (196, 1437100), (200, 1408358), (245, 1149680), (280, 1005970), (343, 821200), (350, 804776), (392, 718550), (400, 704179), (490, 574840), (560, 502985), (686, 410600), (700, 402388), (784, 359275), (980, 287420), (1225, 229936), (1372, 205300), (1400, 201194), (1715, 164240), (1960, 143710), (2053, 137200), (2450, 114968), (2744, 102650), (2800, 100597), (3430, 82120), (3920, 71855), (4106, 68600), (4900, 57484), (5488, 51325), (6860, 41060), (8212, 34300), (8575, 32848), (9800, 28742), (10265, 27440), (13720, 20530), (14371, 19600), (16424, 17150)]