28441122040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1\times {\mathrm{677}}^1$

素因数の和:1205

約数の個数: 128

約数和(自身を含む): 68069030400

約数和(自身を除く): 39627908360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 331, 334, 380, 662, 668, 677, 760, 835, 1324, 1336, 1354, 1655, 1670, 2648, 2708, 3173, 3310, 3340, 3385, 5416, 6289, 6346, 6620, 6680, 6770, 12578, 12692, 12863, 13240, 13540, 15865, 25156, 25384, 25726, 27080, 31445, 31730, 50312, 51452, 55277, 62890, 63460, 64315, 102904, 110554, 113059, 125780, 126920, 128630, 221108, 224087, 226118, 251560, 257260, 276385, 442216, 448174, 452236, 514520, 552770, 565295, 896348, 904472, 1050263, 1105540, 1120435, 1130590, 1792696, 2100526, 2148121, 2211080, 2240870, 2261180, 4201052, 4257653, 4296242, 4481740, 4522360, 5251315, 8402104, 8515306, 8592484, 8963480, 10502630, 10740605, 17030612, 17184968, 21005260, 21288265, 21481210, 34061224, 37422529, 42010520, 42576530, 42962420, 74845058, 85153060, 85924840, 149690116, 170306120, 187112645, 299380232, 374225290, 711028051, 748450580, 1422056102, 1496901160, 2844112204, 3555140255, 5688224408, 7110280510, 14220561020, 28441122040]

約数ペア:

[(1, 28441122040), (2, 14220561020), (4, 7110280510), (5, 5688224408), (8, 3555140255), (10, 2844112204), (19, 1496901160), (20, 1422056102), (38, 748450580), (40, 711028051), (76, 374225290), (95, 299380232), (152, 187112645), (167, 170306120), (190, 149690116), (331, 85924840), (334, 85153060), (380, 74845058), (662, 42962420), (668, 42576530), (677, 42010520), (760, 37422529), (835, 34061224), (1324, 21481210), (1336, 21288265), (1354, 21005260), (1655, 17184968), (1670, 17030612), (2648, 10740605), (2708, 10502630), (3173, 8963480), (3310, 8592484), (3340, 8515306), (3385, 8402104), (5416, 5251315), (6289, 4522360), (6346, 4481740), (6620, 4296242), (6680, 4257653), (6770, 4201052), (12578, 2261180), (12692, 2240870), (12863, 2211080), (13240, 2148121), (13540, 2100526), (15865, 1792696), (25156, 1130590), (25384, 1120435), (25726, 1105540), (27080, 1050263), (31445, 904472), (31730, 896348), (50312, 565295), (51452, 552770), (55277, 514520), (62890, 452236), (63460, 448174), (64315, 442216), (102904, 276385), (110554, 257260), (113059, 251560), (125780, 226118), (126920, 224087), (128630, 221108)]