1289739880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{225479}}^1$

素因数の和:225514

約数の個数: 64

約数和(自身を含む): 3409257600

約数和(自身を除く): 2119517720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 225479, 450958, 901916, 1127395, 1803832, 2254790, 2480269, 2931227, 4509580, 4960538, 5862454, 9019160, 9921076, 11724908, 12401345, 14656135, 19842152, 23449816, 24802690, 29312270, 32243497, 49605380, 58624540, 64486994, 99210760, 117249080, 128973988, 161217485, 257947976, 322434970, 644869940, 1289739880]

約数ペア:

[(1, 1289739880), (2, 644869940), (4, 322434970), (5, 257947976), (8, 161217485), (10, 128973988), (11, 117249080), (13, 99210760), (20, 64486994), (22, 58624540), (26, 49605380), (40, 32243497), (44, 29312270), (52, 24802690), (55, 23449816), (65, 19842152), (88, 14656135), (104, 12401345), (110, 11724908), (130, 9921076), (143, 9019160), (220, 5862454), (260, 4960538), (286, 4509580), (440, 2931227), (520, 2480269), (572, 2254790), (715, 1803832), (1144, 1127395), (1430, 901916), (2860, 450958), (5720, 225479)]