628701990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2982

約数の個数: 128

約数和(自身を含む): 1856452608

約数和(自身を除く): 1227750618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 357, 366, 427, 510, 595, 610, 714, 854, 915, 1037, 1190, 1281, 1785, 1830, 2074, 2135, 2562, 2887, 3111, 3570, 4270, 5185, 5774, 6222, 6405, 7259, 8661, 10370, 12810, 14435, 14518, 15555, 17322, 20209, 21777, 28870, 31110, 36295, 40418, 43305, 43554, 49079, 60627, 72590, 86610, 98158, 101045, 108885, 121254, 147237, 176107, 202090, 217770, 245395, 294474, 303135, 343553, 352214, 490790, 528321, 606270, 687106, 736185, 880535, 1030659, 1056642, 1232749, 1472370, 1717765, 1761070, 2061318, 2465498, 2641605, 2993819, 3435530, 3698247, 5153295, 5283210, 5987638, 6163745, 7396494, 8981457, 10306590, 12327490, 14969095, 17962914, 18491235, 20956733, 29938190, 36982470, 41913466, 44907285, 62870199, 89814570, 104783665, 125740398, 209567330, 314350995, 628701990]

約数ペア:

[(1, 628701990), (2, 314350995), (3, 209567330), (5, 125740398), (6, 104783665), (7, 89814570), (10, 62870199), (14, 44907285), (15, 41913466), (17, 36982470), (21, 29938190), (30, 20956733), (34, 18491235), (35, 17962914), (42, 14969095), (51, 12327490), (61, 10306590), (70, 8981457), (85, 7396494), (102, 6163745), (105, 5987638), (119, 5283210), (122, 5153295), (170, 3698247), (183, 3435530), (210, 2993819), (238, 2641605), (255, 2465498), (305, 2061318), (357, 1761070), (366, 1717765), (427, 1472370), (510, 1232749), (595, 1056642), (610, 1030659), (714, 880535), (854, 736185), (915, 687106), (1037, 606270), (1190, 528321), (1281, 490790), (1785, 352214), (1830, 343553), (2074, 303135), (2135, 294474), (2562, 245395), (2887, 217770), (3111, 202090), (3570, 176107), (4270, 147237), (5185, 121254), (5774, 108885), (6222, 101045), (6405, 98158), (7259, 86610), (8661, 72590), (10370, 60627), (12810, 49079), (14435, 43554), (14518, 43305), (15555, 40418), (17322, 36295), (20209, 31110), (21777, 28870)]