205910018475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{133723}}^1$

素因数の和:134169

約数の個数: 72

約数和(自身を含む): 396967717440

約数和(自身を除く): 191057698965

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 419, 525, 735, 1225, 1257, 2095, 2933, 3675, 6285, 8799, 10475, 14665, 20531, 31425, 43995, 61593, 73325, 102655, 133723, 219975, 307965, 401169, 513275, 668615, 936061, 1539825, 2005845, 2808183, 3343075, 4680305, 6552427, 10029225, 14040915, 19657281, 23401525, 32762135, 56029937, 70204575, 98286405, 163810675, 168089811, 280149685, 392209559, 491432025, 840449055, 1176628677, 1400748425, 1961047795, 2745466913, 4202245275, 5883143385, 8236400739, 9805238975, 13727334565, 29415716925, 41182003695, 68636672825, 205910018475]

約数ペア:

[(1, 205910018475), (3, 68636672825), (5, 41182003695), (7, 29415716925), (15, 13727334565), (21, 9805238975), (25, 8236400739), (35, 5883143385), (49, 4202245275), (75, 2745466913), (105, 1961047795), (147, 1400748425), (175, 1176628677), (245, 840449055), (419, 491432025), (525, 392209559), (735, 280149685), (1225, 168089811), (1257, 163810675), (2095, 98286405), (2933, 70204575), (3675, 56029937), (6285, 32762135), (8799, 23401525), (10475, 19657281), (14665, 14040915), (20531, 10029225), (31425, 6552427), (43995, 4680305), (61593, 3343075), (73325, 2808183), (102655, 2005845), (133723, 1539825), (219975, 936061), (307965, 668615), (401169, 513275)]