2017442840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{18149}}^1$

素因数の和:18564

約数の個数: 64

約数和(自身を含む): 5201064000

約数和(自身を除く): 3183621160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1588, 1985, 2779, 3176, 3970, 5558, 7940, 11116, 13895, 15880, 18149, 22232, 27790, 36298, 55580, 72596, 90745, 111160, 127043, 145192, 181490, 254086, 362980, 508172, 635215, 725960, 1016344, 1270430, 2540860, 5081720, 7205153, 14410306, 28820612, 36025765, 50436071, 57641224, 72051530, 100872142, 144103060, 201744284, 252180355, 288206120, 403488568, 504360710, 1008721420, 2017442840]

約数ペア:

[(1, 2017442840), (2, 1008721420), (4, 504360710), (5, 403488568), (7, 288206120), (8, 252180355), (10, 201744284), (14, 144103060), (20, 100872142), (28, 72051530), (35, 57641224), (40, 50436071), (56, 36025765), (70, 28820612), (140, 14410306), (280, 7205153), (397, 5081720), (794, 2540860), (1588, 1270430), (1985, 1016344), (2779, 725960), (3176, 635215), (3970, 508172), (5558, 362980), (7940, 254086), (11116, 181490), (13895, 145192), (15880, 127043), (18149, 111160), (22232, 90745), (27790, 72596), (36298, 55580)]