390050560

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13249}}^1$

素因数の和:13293

約数の個数: 72

約数和(自身を含む): 974988000

約数和(自身を除く): 584937440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 13249, 14720, 26498, 29440, 52996, 66245, 105992, 132490, 211984, 264980, 304727, 423968, 529960, 609454, 847936, 1059920, 1218908, 1523635, 1695872, 2119840, 2437816, 3047270, 3391744, 4239680, 4875632, 6094540, 8479360, 9751264, 12189080, 16958720, 19502528, 24378160, 39005056, 48756320, 78010112, 97512640, 195025280, 390050560]

約数ペア:

[(1, 390050560), (2, 195025280), (4, 97512640), (5, 78010112), (8, 48756320), (10, 39005056), (16, 24378160), (20, 19502528), (23, 16958720), (32, 12189080), (40, 9751264), (46, 8479360), (64, 6094540), (80, 4875632), (92, 4239680), (115, 3391744), (128, 3047270), (160, 2437816), (184, 2119840), (230, 1695872), (256, 1523635), (320, 1218908), (368, 1059920), (460, 847936), (640, 609454), (736, 529960), (920, 423968), (1280, 304727), (1472, 264980), (1840, 211984), (2944, 132490), (3680, 105992), (5888, 66245), (7360, 52996), (13249, 29440), (14720, 26498)]