213457940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14969}}^1$

素因数の和:15032

約数の個数: 48

約数和(自身を含む): 482872320

約数和(自身を除く): 269414380

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 14260, 14969, 29938, 59876, 74845, 149690, 299380, 344287, 464039, 688574, 928078, 1377148, 1721435, 1856156, 2320195, 3442870, 4640390, 6885740, 9280780, 10672897, 21345794, 42691588, 53364485, 106728970, 213457940]

約数ペア:

[(1, 213457940), (2, 106728970), (4, 53364485), (5, 42691588), (10, 21345794), (20, 10672897), (23, 9280780), (31, 6885740), (46, 4640390), (62, 3442870), (92, 2320195), (115, 1856156), (124, 1721435), (155, 1377148), (230, 928078), (310, 688574), (460, 464039), (620, 344287), (713, 299380), (1426, 149690), (2852, 74845), (3565, 59876), (7130, 29938), (14260, 14969)]