238789040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{653}}^2$

素因数の和:1326

約数の個数: 60

約数和(自身を含む): 635469744

約数和(自身を除く): 396680704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 653, 1306, 2612, 3265, 4571, 5224, 6530, 9142, 10448, 13060, 18284, 22855, 26120, 36568, 45710, 52240, 73136, 91420, 182840, 365680, 426409, 852818, 1705636, 2132045, 2984863, 3411272, 4264090, 5969726, 6822544, 8528180, 11939452, 14924315, 17056360, 23878904, 29848630, 34112720, 47757808, 59697260, 119394520, 238789040]

約数ペア:

[(1, 238789040), (2, 119394520), (4, 59697260), (5, 47757808), (7, 34112720), (8, 29848630), (10, 23878904), (14, 17056360), (16, 14924315), (20, 11939452), (28, 8528180), (35, 6822544), (40, 5969726), (56, 4264090), (70, 3411272), (80, 2984863), (112, 2132045), (140, 1705636), (280, 852818), (560, 426409), (653, 365680), (1306, 182840), (2612, 91420), (3265, 73136), (4571, 52240), (5224, 45710), (6530, 36568), (9142, 26120), (10448, 22855), (13060, 18284)]