1808596900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 4402718208

約数和(自身を除く): 2594121308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 101, 110, 146, 202, 220, 223, 275, 292, 365, 404, 446, 505, 550, 730, 803, 892, 1010, 1100, 1111, 1115, 1460, 1606, 1825, 2020, 2222, 2230, 2453, 2525, 3212, 3650, 4015, 4444, 4460, 4906, 5050, 5555, 5575, 7300, 7373, 8030, 9812, 10100, 11110, 11150, 12265, 14746, 16060, 16279, 20075, 22220, 22300, 22523, 24530, 27775, 29492, 32558, 36865, 40150, 45046, 49060, 55550, 61325, 65116, 73730, 80300, 81103, 81395, 90092, 111100, 112615, 122650, 147460, 162206, 162790, 179069, 184325, 225230, 245300, 247753, 324412, 325580, 358138, 368650, 405515, 406975, 450460, 495506, 563075, 716276, 737300, 811030, 813950, 895345, 991012, 1126150, 1238765, 1622060, 1627900, 1644179, 1790690, 2027575, 2252300, 2477530, 3288358, 3581380, 4055150, 4476725, 4955060, 6193825, 6576716, 8110300, 8220895, 8953450, 12387650, 16441790, 17906900, 18085969, 24775300, 32883580, 36171938, 41104475, 72343876, 82208950, 90429845, 164417900, 180859690, 361719380, 452149225, 904298450, 1808596900]

約数ペア:

[(1, 1808596900), (2, 904298450), (4, 452149225), (5, 361719380), (10, 180859690), (11, 164417900), (20, 90429845), (22, 82208950), (25, 72343876), (44, 41104475), (50, 36171938), (55, 32883580), (73, 24775300), (100, 18085969), (101, 17906900), (110, 16441790), (146, 12387650), (202, 8953450), (220, 8220895), (223, 8110300), (275, 6576716), (292, 6193825), (365, 4955060), (404, 4476725), (446, 4055150), (505, 3581380), (550, 3288358), (730, 2477530), (803, 2252300), (892, 2027575), (1010, 1790690), (1100, 1644179), (1111, 1627900), (1115, 1622060), (1460, 1238765), (1606, 1126150), (1825, 991012), (2020, 895345), (2222, 813950), (2230, 811030), (2453, 737300), (2525, 716276), (3212, 563075), (3650, 495506), (4015, 450460), (4444, 406975), (4460, 405515), (4906, 368650), (5050, 358138), (5555, 325580), (5575, 324412), (7300, 247753), (7373, 245300), (8030, 225230), (9812, 184325), (10100, 179069), (11110, 162790), (11150, 162206), (12265, 147460), (14746, 122650), (16060, 112615), (16279, 111100), (20075, 90092), (22220, 81395), (22300, 81103), (22523, 80300), (24530, 73730), (27775, 65116), (29492, 61325), (32558, 55550), (36865, 49060), (40150, 45046)]