38539980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 125798400

約数和(自身を除く): 87258420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 191, 228, 236, 285, 295, 342, 354, 380, 382, 531, 570, 573, 590, 684, 708, 764, 855, 885, 955, 1062, 1121, 1140, 1146, 1180, 1710, 1719, 1770, 1910, 2124, 2242, 2292, 2655, 2865, 3363, 3420, 3438, 3540, 3629, 3820, 4484, 5310, 5605, 5730, 6726, 6876, 7258, 8595, 10089, 10620, 10887, 11210, 11269, 11460, 13452, 14516, 16815, 17190, 18145, 20178, 21774, 22420, 22538, 32661, 33630, 33807, 34380, 36290, 40356, 43548, 45076, 50445, 54435, 56345, 65322, 67260, 67614, 72580, 100890, 101421, 108870, 112690, 130644, 135228, 163305, 169035, 201780, 202842, 214111, 217740, 225380, 326610, 338070, 405684, 428222, 507105, 642333, 653220, 676140, 856444, 1014210, 1070555, 1284666, 1926999, 2028420, 2141110, 2569332, 3211665, 3853998, 4282220, 6423330, 7707996, 9634995, 12846660, 19269990, 38539980]

約数ペア:

[(1, 38539980), (2, 19269990), (3, 12846660), (4, 9634995), (5, 7707996), (6, 6423330), (9, 4282220), (10, 3853998), (12, 3211665), (15, 2569332), (18, 2141110), (19, 2028420), (20, 1926999), (30, 1284666), (36, 1070555), (38, 1014210), (45, 856444), (57, 676140), (59, 653220), (60, 642333), (76, 507105), (90, 428222), (95, 405684), (114, 338070), (118, 326610), (171, 225380), (177, 217740), (180, 214111), (190, 202842), (191, 201780), (228, 169035), (236, 163305), (285, 135228), (295, 130644), (342, 112690), (354, 108870), (380, 101421), (382, 100890), (531, 72580), (570, 67614), (573, 67260), (590, 65322), (684, 56345), (708, 54435), (764, 50445), (855, 45076), (885, 43548), (955, 40356), (1062, 36290), (1121, 34380), (1140, 33807), (1146, 33630), (1180, 32661), (1710, 22538), (1719, 22420), (1770, 21774), (1910, 20178), (2124, 18145), (2242, 17190), (2292, 16815), (2655, 14516), (2865, 13452), (3363, 11460), (3420, 11269), (3438, 11210), (3540, 10887), (3629, 10620), (3820, 10089), (4484, 8595), (5310, 7258), (5605, 6876), (5730, 6726)]