219121140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74531}}^1$

素因数の和:74557

約数の個数: 72

約数和(自身を含む): 713718432

約数和(自身を除く): 494597292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74531, 149062, 223593, 298124, 372655, 447186, 521717, 745310, 894372, 1043434, 1117965, 1490620, 1565151, 2086868, 2235930, 2608585, 3130302, 3652019, 4471860, 5217170, 6260604, 7304038, 7825755, 10434340, 10956057, 14608076, 15651510, 18260095, 21912114, 31303020, 36520190, 43824228, 54780285, 73040380, 109560570, 219121140]

約数ペア:

[(1, 219121140), (2, 109560570), (3, 73040380), (4, 54780285), (5, 43824228), (6, 36520190), (7, 31303020), (10, 21912114), (12, 18260095), (14, 15651510), (15, 14608076), (20, 10956057), (21, 10434340), (28, 7825755), (30, 7304038), (35, 6260604), (42, 5217170), (49, 4471860), (60, 3652019), (70, 3130302), (84, 2608585), (98, 2235930), (105, 2086868), (140, 1565151), (147, 1490620), (196, 1117965), (210, 1043434), (245, 894372), (294, 745310), (420, 521717), (490, 447186), (588, 372655), (735, 298124), (980, 223593), (1470, 149062), (2940, 74531)]