981292970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2909}}^1$

素因数の和:3063

約数の個数: 64

約数和(自身を含む): 2078438400

約数和(自身を除く): 1097145430

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 79, 122, 158, 305, 395, 427, 553, 610, 790, 854, 1106, 2135, 2765, 2909, 4270, 4819, 5530, 5818, 9638, 14545, 20363, 24095, 29090, 33733, 40726, 48190, 67466, 101815, 168665, 177449, 203630, 229811, 337330, 354898, 459622, 887245, 1149055, 1242143, 1608677, 1774490, 2298110, 2484286, 3217354, 6210715, 8043385, 12421430, 14018471, 16086770, 28036942, 70092355, 98129297, 140184710, 196258594, 490646485, 981292970]

約数ペア:

[(1, 981292970), (2, 490646485), (5, 196258594), (7, 140184710), (10, 98129297), (14, 70092355), (35, 28036942), (61, 16086770), (70, 14018471), (79, 12421430), (122, 8043385), (158, 6210715), (305, 3217354), (395, 2484286), (427, 2298110), (553, 1774490), (610, 1608677), (790, 1242143), (854, 1149055), (1106, 887245), (2135, 459622), (2765, 354898), (2909, 337330), (4270, 229811), (4819, 203630), (5530, 177449), (5818, 168665), (9638, 101815), (14545, 67466), (20363, 48190), (24095, 40726), (29090, 33733)]