408997120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{6521}}^1$

素因数の和:6556

約数の個数: 108

約数和(自身を含む): 1139797764

約数和(自身を除く): 730800644

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 6521, 7840, 8960, 12544, 13042, 15680, 26084, 31360, 32605, 45647, 52168, 62720, 65210, 91294, 104336, 130420, 182588, 208672, 228235, 260840, 319529, 365176, 417344, 456470, 521680, 639058, 730352, 834688, 912940, 1043360, 1278116, 1460704, 1597645, 1669376, 1825880, 2086720, 2556232, 2921408, 3195290, 3651760, 4173440, 5112464, 5842816, 6390580, 7303520, 8346880, 10224928, 11685632, 12781160, 14607040, 20449856, 25562320, 29214080, 40899712, 51124640, 58428160, 81799424, 102249280, 204498560, 408997120]

約数ペア:

[(1, 408997120), (2, 204498560), (4, 102249280), (5, 81799424), (7, 58428160), (8, 51124640), (10, 40899712), (14, 29214080), (16, 25562320), (20, 20449856), (28, 14607040), (32, 12781160), (35, 11685632), (40, 10224928), (49, 8346880), (56, 7303520), (64, 6390580), (70, 5842816), (80, 5112464), (98, 4173440), (112, 3651760), (128, 3195290), (140, 2921408), (160, 2556232), (196, 2086720), (224, 1825880), (245, 1669376), (256, 1597645), (280, 1460704), (320, 1278116), (392, 1043360), (448, 912940), (490, 834688), (560, 730352), (640, 639058), (784, 521680), (896, 456470), (980, 417344), (1120, 365176), (1280, 319529), (1568, 260840), (1792, 228235), (1960, 208672), (2240, 182588), (3136, 130420), (3920, 104336), (4480, 91294), (6272, 65210), (6521, 62720), (7840, 52168), (8960, 45647), (12544, 32605), (13042, 31360), (15680, 26084)]