2019617920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:886

約数の個数: 128

約数和(自身を含む): 5108241600

約数和(自身を除く): 3088623680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 307, 320, 380, 541, 608, 614, 640, 760, 1082, 1216, 1228, 1520, 1535, 2164, 2432, 2456, 2705, 3040, 3070, 4328, 4912, 5410, 5833, 6080, 6140, 8656, 9824, 10279, 10820, 11666, 12160, 12280, 17312, 19648, 20558, 21640, 23332, 24560, 29165, 34624, 39296, 41116, 43280, 46664, 49120, 51395, 58330, 69248, 82232, 86560, 93328, 98240, 102790, 116660, 164464, 166087, 173120, 186656, 196480, 205580, 233320, 328928, 332174, 346240, 373312, 411160, 466640, 657856, 664348, 746624, 822320, 830435, 933280, 1315712, 1328696, 1644640, 1660870, 1866560, 2657392, 3155653, 3289280, 3321740, 3733120, 5314784, 6311306, 6578560, 6643480, 10629568, 12622612, 13286960, 15778265, 21259136, 25245224, 26573920, 31556530, 50490448, 53147840, 63113060, 100980896, 106295680, 126226120, 201961792, 252452240, 403923584, 504904480, 1009808960, 2019617920]

約数ペア:

[(1, 2019617920), (2, 1009808960), (4, 504904480), (5, 403923584), (8, 252452240), (10, 201961792), (16, 126226120), (19, 106295680), (20, 100980896), (32, 63113060), (38, 53147840), (40, 50490448), (64, 31556530), (76, 26573920), (80, 25245224), (95, 21259136), (128, 15778265), (152, 13286960), (160, 12622612), (190, 10629568), (304, 6643480), (307, 6578560), (320, 6311306), (380, 5314784), (541, 3733120), (608, 3321740), (614, 3289280), (640, 3155653), (760, 2657392), (1082, 1866560), (1216, 1660870), (1228, 1644640), (1520, 1328696), (1535, 1315712), (2164, 933280), (2432, 830435), (2456, 822320), (2705, 746624), (3040, 664348), (3070, 657856), (4328, 466640), (4912, 411160), (5410, 373312), (5833, 346240), (6080, 332174), (6140, 328928), (8656, 233320), (9824, 205580), (10279, 196480), (10820, 186656), (11666, 173120), (12160, 166087), (12280, 164464), (17312, 116660), (19648, 102790), (20558, 98240), (21640, 93328), (23332, 86560), (24560, 82232), (29165, 69248), (34624, 58330), (39296, 51395), (41116, 49120), (43280, 46664)]