209213560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16240

約数の個数: 64

約数和(自身を含む): 524685600

約数和(自身を除く): 315472040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 16193, 32386, 64772, 80965, 129544, 161930, 275281, 307667, 323860, 550562, 615334, 647720, 1101124, 1230668, 1376405, 1538335, 2202248, 2461336, 2752810, 3076670, 5230339, 5505620, 6153340, 10460678, 11011240, 12306680, 20921356, 26151695, 41842712, 52303390, 104606780, 209213560]

約数ペア:

[(1, 209213560), (2, 104606780), (4, 52303390), (5, 41842712), (8, 26151695), (10, 20921356), (17, 12306680), (19, 11011240), (20, 10460678), (34, 6153340), (38, 5505620), (40, 5230339), (68, 3076670), (76, 2752810), (85, 2461336), (95, 2202248), (136, 1538335), (152, 1376405), (170, 1230668), (190, 1101124), (323, 647720), (340, 615334), (380, 550562), (646, 323860), (680, 307667), (760, 275281), (1292, 161930), (1615, 129544), (2584, 80965), (3230, 64772), (6460, 32386), (12920, 16193)]