201990512970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{915683}}^1$

素因数の和:915761

約数の個数: 128

約数和(自身を含む): 580177382400

約数和(自身を除く): 378186869430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 43, 45, 54, 57, 86, 90, 95, 114, 129, 135, 171, 190, 215, 258, 270, 285, 342, 387, 430, 513, 570, 645, 774, 817, 855, 1026, 1161, 1290, 1634, 1710, 1935, 2322, 2451, 2565, 3870, 4085, 4902, 5130, 5805, 7353, 8170, 11610, 12255, 14706, 22059, 24510, 36765, 44118, 73530, 110295, 220590, 915683, 1831366, 2747049, 4578415, 5494098, 8241147, 9156830, 13735245, 16482294, 17397977, 24723441, 27470490, 34795954, 39374369, 41205735, 49446882, 52193931, 78748738, 82411470, 86989885, 104387862, 118123107, 123617205, 156581793, 173979770, 196871845, 236246214, 247234410, 260969655, 313163586, 354369321, 393743690, 469745379, 521939310, 590615535, 708738642, 748113011, 782908965, 939490758, 1063107963, 1181231070, 1496226022, 1565817930, 1771846605, 2126215926, 2244339033, 2348726895, 3543693210, 3740565055, 4488678066, 4697453790, 5315539815, 6733017099, 7481130110, 10631079630, 11221695165, 13466034198, 20199051297, 22443390330, 33665085495, 40398102594, 67330170990, 100995256485, 201990512970]

約数ペア:

[(1, 201990512970), (2, 100995256485), (3, 67330170990), (5, 40398102594), (6, 33665085495), (9, 22443390330), (10, 20199051297), (15, 13466034198), (18, 11221695165), (19, 10631079630), (27, 7481130110), (30, 6733017099), (38, 5315539815), (43, 4697453790), (45, 4488678066), (54, 3740565055), (57, 3543693210), (86, 2348726895), (90, 2244339033), (95, 2126215926), (114, 1771846605), (129, 1565817930), (135, 1496226022), (171, 1181231070), (190, 1063107963), (215, 939490758), (258, 782908965), (270, 748113011), (285, 708738642), (342, 590615535), (387, 521939310), (430, 469745379), (513, 393743690), (570, 354369321), (645, 313163586), (774, 260969655), (817, 247234410), (855, 236246214), (1026, 196871845), (1161, 173979770), (1290, 156581793), (1634, 123617205), (1710, 118123107), (1935, 104387862), (2322, 86989885), (2451, 82411470), (2565, 78748738), (3870, 52193931), (4085, 49446882), (4902, 41205735), (5130, 39374369), (5805, 34795954), (7353, 27470490), (8170, 24723441), (11610, 17397977), (12255, 16482294), (14706, 13735245), (22059, 9156830), (24510, 8241147), (36765, 5494098), (44118, 4578415), (73530, 2747049), (110295, 1831366), (220590, 915683)]