704400640

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3181}}^1$

素因数の和:3375

約数の個数: 72

約数和(自身を含む): 1697546088

約数和(自身を除く): 993145448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 1280, 1384, 1730, 2768, 3181, 3460, 5536, 6362, 6920, 11072, 12724, 13840, 15905, 22144, 25448, 27680, 31810, 44288, 50896, 55360, 63620, 101792, 110720, 127240, 203584, 221440, 254480, 407168, 508960, 550313, 814336, 1017920, 1100626, 2035840, 2201252, 2751565, 4071680, 4402504, 5503130, 8805008, 11006260, 17610016, 22012520, 35220032, 44025040, 70440064, 88050080, 140880128, 176100160, 352200320, 704400640]

約数ペア:

[(1, 704400640), (2, 352200320), (4, 176100160), (5, 140880128), (8, 88050080), (10, 70440064), (16, 44025040), (20, 35220032), (32, 22012520), (40, 17610016), (64, 11006260), (80, 8805008), (128, 5503130), (160, 4402504), (173, 4071680), (256, 2751565), (320, 2201252), (346, 2035840), (640, 1100626), (692, 1017920), (865, 814336), (1280, 550313), (1384, 508960), (1730, 407168), (2768, 254480), (3181, 221440), (3460, 203584), (5536, 127240), (6362, 110720), (6920, 101792), (11072, 63620), (12724, 55360), (13840, 50896), (15905, 44288), (22144, 31810), (25448, 27680)]