30990850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 66098448

約数和(自身を除く): 35107598

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 67, 110, 134, 145, 275, 290, 319, 335, 550, 638, 670, 725, 737, 841, 1450, 1474, 1595, 1675, 1682, 1943, 3190, 3350, 3685, 3886, 4205, 7370, 7975, 8410, 9251, 9715, 15950, 18425, 18502, 19430, 21025, 21373, 36850, 42050, 42746, 46255, 48575, 56347, 92510, 97150, 106865, 112694, 213730, 231275, 281735, 462550, 534325, 563470, 619817, 1068650, 1239634, 1408675, 2817350, 3099085, 6198170, 15495425, 30990850]

約数ペア:

[(1, 30990850), (2, 15495425), (5, 6198170), (10, 3099085), (11, 2817350), (22, 1408675), (25, 1239634), (29, 1068650), (50, 619817), (55, 563470), (58, 534325), (67, 462550), (110, 281735), (134, 231275), (145, 213730), (275, 112694), (290, 106865), (319, 97150), (335, 92510), (550, 56347), (638, 48575), (670, 46255), (725, 42746), (737, 42050), (841, 36850), (1450, 21373), (1474, 21025), (1595, 19430), (1675, 18502), (1682, 18425), (1943, 15950), (3190, 9715), (3350, 9251), (3685, 8410), (3886, 7975), (4205, 7370)]