28004423580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22225733}}^1$

素因数の和:22225755

約数の個数: 72

約数和(自身を含む): 97082006112

約数和(自身を除く): 69077582532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22225733, 44451466, 66677199, 88902932, 111128665, 133354398, 155580131, 200031597, 222257330, 266708796, 311160262, 333385995, 400063194, 444514660, 466740393, 622320524, 666771990, 777900655, 800126388, 933480786, 1000157985, 1333543980, 1400221179, 1555801310, 1866961572, 2000315970, 2333701965, 2800442358, 3111602620, 4000631940, 4667403930, 5600884716, 7001105895, 9334807860, 14002211790, 28004423580]

約数ペア:

[(1, 28004423580), (2, 14002211790), (3, 9334807860), (4, 7001105895), (5, 5600884716), (6, 4667403930), (7, 4000631940), (9, 3111602620), (10, 2800442358), (12, 2333701965), (14, 2000315970), (15, 1866961572), (18, 1555801310), (20, 1400221179), (21, 1333543980), (28, 1000157985), (30, 933480786), (35, 800126388), (36, 777900655), (42, 666771990), (45, 622320524), (60, 466740393), (63, 444514660), (70, 400063194), (84, 333385995), (90, 311160262), (105, 266708796), (126, 222257330), (140, 200031597), (180, 155580131), (210, 133354398), (252, 111128665), (315, 88902932), (420, 66677199), (630, 44451466), (1260, 22225733)]