219744980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120739}}^1$

素因数の和:120768

約数の個数: 48

約数和(自身を含む): 567960960

約数和(自身を除く): 348215980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 120739, 241478, 482956, 603695, 845173, 1207390, 1569607, 1690346, 2414780, 3139214, 3380692, 4225865, 6278428, 7848035, 8451730, 10987249, 15696070, 16903460, 21974498, 31392140, 43948996, 54936245, 109872490, 219744980]

約数ペア:

[(1, 219744980), (2, 109872490), (4, 54936245), (5, 43948996), (7, 31392140), (10, 21974498), (13, 16903460), (14, 15696070), (20, 10987249), (26, 8451730), (28, 7848035), (35, 6278428), (52, 4225865), (65, 3380692), (70, 3139214), (91, 2414780), (130, 1690346), (140, 1569607), (182, 1207390), (260, 845173), (364, 603695), (455, 482956), (910, 241478), (1820, 120739)]