28887950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 72

約数和(自身を含む): 67386312

約数和(自身を除く): 38498362

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 907, 910, 1225, 1274, 1814, 2275, 2450, 3185, 4535, 4550, 6349, 6370, 9070, 11791, 12698, 15925, 22675, 23582, 31745, 31850, 44443, 45350, 58955, 63490, 82537, 88886, 117910, 158725, 165074, 222215, 294775, 317450, 412685, 444430, 577759, 589550, 825370, 1111075, 1155518, 2063425, 2222150, 2888795, 4126850, 5777590, 14443975, 28887950]

約数ペア:

[(1, 28887950), (2, 14443975), (5, 5777590), (7, 4126850), (10, 2888795), (13, 2222150), (14, 2063425), (25, 1155518), (26, 1111075), (35, 825370), (49, 589550), (50, 577759), (65, 444430), (70, 412685), (91, 317450), (98, 294775), (130, 222215), (175, 165074), (182, 158725), (245, 117910), (325, 88886), (350, 82537), (455, 63490), (490, 58955), (637, 45350), (650, 44443), (907, 31850), (910, 31745), (1225, 23582), (1274, 22675), (1814, 15925), (2275, 12698), (2450, 11791), (3185, 9070), (4535, 6370), (4550, 6349)]