868778840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{3343}}^1$

素因数の和:3516

約数の個数: 64

約数和(自身を含む): 2004393600

約数和(自身を除く): 1135614760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 146, 178, 292, 356, 365, 445, 584, 712, 730, 890, 1460, 1780, 2920, 3343, 3560, 6497, 6686, 12994, 13372, 16715, 25988, 26744, 32485, 33430, 51976, 64970, 66860, 129940, 133720, 244039, 259880, 297527, 488078, 595054, 976156, 1190108, 1220195, 1487635, 1952312, 2380216, 2440390, 2975270, 4880780, 5950540, 9761560, 11901080, 21719471, 43438942, 86877884, 108597355, 173755768, 217194710, 434389420, 868778840]

約数ペア:

[(1, 868778840), (2, 434389420), (4, 217194710), (5, 173755768), (8, 108597355), (10, 86877884), (20, 43438942), (40, 21719471), (73, 11901080), (89, 9761560), (146, 5950540), (178, 4880780), (292, 2975270), (356, 2440390), (365, 2380216), (445, 1952312), (584, 1487635), (712, 1220195), (730, 1190108), (890, 976156), (1460, 595054), (1780, 488078), (2920, 297527), (3343, 259880), (3560, 244039), (6497, 133720), (6686, 129940), (12994, 66860), (13372, 64970), (16715, 51976), (25988, 33430), (26744, 32485)]