28938207640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{54163}}^1$

素因数の和:54249

約数の個数: 96

約数和(自身を含む): 70576775280

約数和(自身を除く): 41638567640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 361, 370, 380, 703, 722, 740, 760, 1406, 1444, 1480, 1805, 2812, 2888, 3515, 3610, 5624, 7030, 7220, 13357, 14060, 14440, 26714, 28120, 53428, 54163, 66785, 106856, 108326, 133570, 216652, 267140, 270815, 433304, 534280, 541630, 1029097, 1083260, 2004031, 2058194, 2166520, 4008062, 4116388, 5145485, 8016124, 8232776, 10020155, 10290970, 16032248, 19552843, 20040310, 20581940, 38076589, 39105686, 40080620, 41163880, 76153178, 78211372, 80161240, 97764215, 152306356, 156422744, 190382945, 195528430, 304612712, 380765890, 391056860, 723455191, 761531780, 782113720, 1446910382, 1523063560, 2893820764, 3617275955, 5787641528, 7234551910, 14469103820, 28938207640]

約数ペア:

[(1, 28938207640), (2, 14469103820), (4, 7234551910), (5, 5787641528), (8, 3617275955), (10, 2893820764), (19, 1523063560), (20, 1446910382), (37, 782113720), (38, 761531780), (40, 723455191), (74, 391056860), (76, 380765890), (95, 304612712), (148, 195528430), (152, 190382945), (185, 156422744), (190, 152306356), (296, 97764215), (361, 80161240), (370, 78211372), (380, 76153178), (703, 41163880), (722, 40080620), (740, 39105686), (760, 38076589), (1406, 20581940), (1444, 20040310), (1480, 19552843), (1805, 16032248), (2812, 10290970), (2888, 10020155), (3515, 8232776), (3610, 8016124), (5624, 5145485), (7030, 4116388), (7220, 4008062), (13357, 2166520), (14060, 2058194), (14440, 2004031), (26714, 1083260), (28120, 1029097), (53428, 541630), (54163, 534280), (66785, 433304), (106856, 270815), (108326, 267140), (133570, 216652)]