157218920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5591}}^1$

素因数の和:5658

約数の個数: 64

約数和(自身を含む): 382492800

約数和(自身を除く): 225273880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5591, 5624, 7030, 11182, 14060, 22364, 27955, 28120, 44728, 55910, 106229, 111820, 206867, 212458, 223640, 413734, 424916, 531145, 827468, 849832, 1034335, 1062290, 1654936, 2068670, 2124580, 3930473, 4137340, 4249160, 7860946, 8274680, 15721892, 19652365, 31443784, 39304730, 78609460, 157218920]

約数ペア:

[(1, 157218920), (2, 78609460), (4, 39304730), (5, 31443784), (8, 19652365), (10, 15721892), (19, 8274680), (20, 7860946), (37, 4249160), (38, 4137340), (40, 3930473), (74, 2124580), (76, 2068670), (95, 1654936), (148, 1062290), (152, 1034335), (185, 849832), (190, 827468), (296, 531145), (370, 424916), (380, 413734), (703, 223640), (740, 212458), (760, 206867), (1406, 111820), (1480, 106229), (2812, 55910), (3515, 44728), (5591, 28120), (5624, 27955), (7030, 22364), (11182, 14060)]