85771700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6489

約数の個数: 72

約数和(自身を含む): 223944000

約数和(自身を除く): 138172300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6449, 6650, 12898, 13300, 25796, 32245, 45143, 64490, 90286, 122531, 128980, 161225, 180572, 225715, 245062, 322450, 451430, 490124, 612655, 644900, 857717, 902860, 1128575, 1225310, 1715434, 2257150, 2450620, 3063275, 3430868, 4288585, 4514300, 6126550, 8577170, 12253100, 17154340, 21442925, 42885850, 85771700]

約数ペア:

[(1, 85771700), (2, 42885850), (4, 21442925), (5, 17154340), (7, 12253100), (10, 8577170), (14, 6126550), (19, 4514300), (20, 4288585), (25, 3430868), (28, 3063275), (35, 2450620), (38, 2257150), (50, 1715434), (70, 1225310), (76, 1128575), (95, 902860), (100, 857717), (133, 644900), (140, 612655), (175, 490124), (190, 451430), (266, 322450), (350, 245062), (380, 225715), (475, 180572), (532, 161225), (665, 128980), (700, 122531), (950, 90286), (1330, 64490), (1900, 45143), (2660, 32245), (3325, 25796), (6449, 13300), (6650, 12898)]