191354320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 487602720

約数和(自身を除く): 296248400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 131, 152, 155, 190, 248, 262, 304, 310, 380, 496, 524, 589, 620, 655, 760, 961, 1048, 1178, 1240, 1310, 1520, 1922, 2096, 2356, 2480, 2489, 2620, 2945, 3844, 4061, 4712, 4805, 4978, 5240, 5890, 7688, 8122, 9424, 9610, 9956, 10480, 11780, 12445, 15376, 16244, 18259, 19220, 19912, 20305, 23560, 24890, 32488, 36518, 38440, 39824, 40610, 47120, 49780, 64976, 73036, 76880, 77159, 81220, 91295, 99560, 125891, 146072, 154318, 162440, 182590, 199120, 251782, 292144, 308636, 324880, 365180, 385795, 503564, 617272, 629455, 730360, 771590, 1007128, 1234544, 1258910, 1460720, 1543180, 2014256, 2391929, 2517820, 3086360, 4783858, 5035640, 6172720, 9567716, 10071280, 11959645, 19135432, 23919290, 38270864, 47838580, 95677160, 191354320]

約数ペア:

[(1, 191354320), (2, 95677160), (4, 47838580), (5, 38270864), (8, 23919290), (10, 19135432), (16, 11959645), (19, 10071280), (20, 9567716), (31, 6172720), (38, 5035640), (40, 4783858), (62, 3086360), (76, 2517820), (80, 2391929), (95, 2014256), (124, 1543180), (131, 1460720), (152, 1258910), (155, 1234544), (190, 1007128), (248, 771590), (262, 730360), (304, 629455), (310, 617272), (380, 503564), (496, 385795), (524, 365180), (589, 324880), (620, 308636), (655, 292144), (760, 251782), (961, 199120), (1048, 182590), (1178, 162440), (1240, 154318), (1310, 146072), (1520, 125891), (1922, 99560), (2096, 91295), (2356, 81220), (2480, 77159), (2489, 76880), (2620, 73036), (2945, 64976), (3844, 49780), (4061, 47120), (4712, 40610), (4805, 39824), (4978, 38440), (5240, 36518), (5890, 32488), (7688, 24890), (8122, 23560), (9424, 20305), (9610, 19912), (9956, 19220), (10480, 18259), (11780, 16244), (12445, 15376)]