4244380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 10686816

約数和(自身を除く): 6442436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 71, 98, 122, 140, 142, 196, 244, 245, 284, 305, 355, 427, 490, 497, 610, 710, 854, 980, 994, 1220, 1420, 1708, 1988, 2135, 2485, 2989, 3479, 4270, 4331, 4970, 5978, 6958, 8540, 8662, 9940, 11956, 13916, 14945, 17324, 17395, 21655, 29890, 30317, 34790, 43310, 59780, 60634, 69580, 86620, 121268, 151585, 212219, 303170, 424438, 606340, 848876, 1061095, 2122190, 4244380]

約数ペア:

[(1, 4244380), (2, 2122190), (4, 1061095), (5, 848876), (7, 606340), (10, 424438), (14, 303170), (20, 212219), (28, 151585), (35, 121268), (49, 86620), (61, 69580), (70, 60634), (71, 59780), (98, 43310), (122, 34790), (140, 30317), (142, 29890), (196, 21655), (244, 17395), (245, 17324), (284, 14945), (305, 13916), (355, 11956), (427, 9940), (490, 8662), (497, 8540), (610, 6958), (710, 5978), (854, 4970), (980, 4331), (994, 4270), (1220, 3479), (1420, 2989), (1708, 2485), (1988, 2135)]