909020420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:754

約数の個数: 192

約数和(自身を含む): 2562416640

約数和(自身を除く): 1653396220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 47, 55, 70, 76, 77, 94, 95, 110, 133, 140, 154, 188, 190, 209, 220, 235, 266, 308, 329, 380, 385, 418, 470, 517, 532, 658, 661, 665, 770, 836, 893, 940, 1034, 1045, 1316, 1322, 1330, 1463, 1540, 1645, 1786, 2068, 2090, 2585, 2644, 2660, 2926, 3290, 3305, 3572, 3619, 4180, 4465, 4627, 5170, 5852, 6251, 6580, 6610, 7238, 7271, 7315, 8930, 9254, 9823, 10340, 12502, 12559, 13220, 14476, 14542, 14630, 17860, 18095, 18508, 19646, 23135, 25004, 25118, 29084, 29260, 31067, 31255, 36190, 36355, 39292, 46270, 49115, 50236, 50897, 62134, 62510, 62795, 68761, 72380, 72710, 87913, 92540, 98230, 101794, 124268, 125020, 125590, 137522, 138149, 145420, 155335, 175826, 196460, 203588, 217469, 251180, 254485, 275044, 276298, 310670, 341737, 343805, 351652, 434938, 439565, 508970, 552596, 590273, 621340, 683474, 687610, 690745, 869876, 879130, 967043, 1017940, 1087345, 1180546, 1366948, 1375220, 1381490, 1708685, 1758260, 1934086, 2174690, 2361092, 2392159, 2762980, 2951365, 3417370, 3868172, 4131911, 4349380, 4784318, 4835215, 5902730, 6493003, 6834740, 8263822, 9568636, 9670430, 11805460, 11960795, 12986006, 16527644, 19340860, 20659555, 23921590, 25972012, 32465015, 41319110, 45451021, 47843180, 64930030, 82638220, 90902042, 129860060, 181804084, 227255105, 454510210, 909020420]

約数ペア:

[(1, 909020420), (2, 454510210), (4, 227255105), (5, 181804084), (7, 129860060), (10, 90902042), (11, 82638220), (14, 64930030), (19, 47843180), (20, 45451021), (22, 41319110), (28, 32465015), (35, 25972012), (38, 23921590), (44, 20659555), (47, 19340860), (55, 16527644), (70, 12986006), (76, 11960795), (77, 11805460), (94, 9670430), (95, 9568636), (110, 8263822), (133, 6834740), (140, 6493003), (154, 5902730), (188, 4835215), (190, 4784318), (209, 4349380), (220, 4131911), (235, 3868172), (266, 3417370), (308, 2951365), (329, 2762980), (380, 2392159), (385, 2361092), (418, 2174690), (470, 1934086), (517, 1758260), (532, 1708685), (658, 1381490), (661, 1375220), (665, 1366948), (770, 1180546), (836, 1087345), (893, 1017940), (940, 967043), (1034, 879130), (1045, 869876), (1316, 690745), (1322, 687610), (1330, 683474), (1463, 621340), (1540, 590273), (1645, 552596), (1786, 508970), (2068, 439565), (2090, 434938), (2585, 351652), (2644, 343805), (2660, 341737), (2926, 310670), (3290, 276298), (3305, 275044), (3572, 254485), (3619, 251180), (4180, 217469), (4465, 203588), (4627, 196460), (5170, 175826), (5852, 155335), (6251, 145420), (6580, 138149), (6610, 137522), (7238, 125590), (7271, 125020), (7315, 124268), (8930, 101794), (9254, 98230), (9823, 92540), (10340, 87913), (12502, 72710), (12559, 72380), (13220, 68761), (14476, 62795), (14542, 62510), (14630, 62134), (17860, 50897), (18095, 50236), (18508, 49115), (19646, 46270), (23135, 39292), (25004, 36355), (25118, 36190), (29084, 31255), (29260, 31067)]