1285280150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 3136942080

約数和(自身を除く): 1851661930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 50, 55, 62, 70, 77, 89, 110, 121, 154, 155, 175, 178, 217, 242, 275, 310, 341, 350, 385, 434, 445, 550, 605, 623, 682, 770, 775, 847, 890, 979, 1085, 1210, 1246, 1331, 1550, 1694, 1705, 1925, 1958, 2170, 2225, 2387, 2662, 2759, 3025, 3115, 3410, 3751, 3850, 4235, 4450, 4774, 4895, 5425, 5518, 6050, 6230, 6655, 6853, 7502, 8470, 8525, 9317, 9790, 10769, 10850, 11935, 13310, 13706, 13795, 15575, 17050, 18634, 18755, 19313, 21175, 21538, 23870, 24475, 26257, 27590, 30349, 31150, 33275, 34265, 37510, 38626, 41261, 42350, 46585, 48950, 52514, 53845, 59675, 60698, 66550, 68530, 68975, 75383, 82522, 93170, 93775, 96565, 107690, 118459, 119350, 131285, 137950, 150766, 151745, 171325, 187550, 193130, 206305, 212443, 232925, 236918, 262570, 269225, 288827, 303490, 333839, 342650, 376915, 412610, 424886, 465850, 482825, 538450, 577654, 592295, 656425, 667678, 753830, 758725, 829213, 965650, 1031525, 1062215, 1184590, 1312850, 1444135, 1517450, 1658426, 1669195, 1884575, 2063050, 2124430, 2336873, 2888270, 2961475, 3338390, 3672229, 3769150, 4146065, 4673746, 5311075, 5922950, 7220675, 7344458, 8292130, 8345975, 10622150, 11684365, 14441350, 16691950, 18361145, 20730325, 23368730, 25705603, 36722290, 41460650, 51411206, 58421825, 91805725, 116843650, 128528015, 183611450, 257056030, 642640075, 1285280150]

約数ペア:

[(1, 1285280150), (2, 642640075), (5, 257056030), (7, 183611450), (10, 128528015), (11, 116843650), (14, 91805725), (22, 58421825), (25, 51411206), (31, 41460650), (35, 36722290), (50, 25705603), (55, 23368730), (62, 20730325), (70, 18361145), (77, 16691950), (89, 14441350), (110, 11684365), (121, 10622150), (154, 8345975), (155, 8292130), (175, 7344458), (178, 7220675), (217, 5922950), (242, 5311075), (275, 4673746), (310, 4146065), (341, 3769150), (350, 3672229), (385, 3338390), (434, 2961475), (445, 2888270), (550, 2336873), (605, 2124430), (623, 2063050), (682, 1884575), (770, 1669195), (775, 1658426), (847, 1517450), (890, 1444135), (979, 1312850), (1085, 1184590), (1210, 1062215), (1246, 1031525), (1331, 965650), (1550, 829213), (1694, 758725), (1705, 753830), (1925, 667678), (1958, 656425), (2170, 592295), (2225, 577654), (2387, 538450), (2662, 482825), (2759, 465850), (3025, 424886), (3115, 412610), (3410, 376915), (3751, 342650), (3850, 333839), (4235, 303490), (4450, 288827), (4774, 269225), (4895, 262570), (5425, 236918), (5518, 232925), (6050, 212443), (6230, 206305), (6655, 193130), (6853, 187550), (7502, 171325), (8470, 151745), (8525, 150766), (9317, 137950), (9790, 131285), (10769, 119350), (10850, 118459), (11935, 107690), (13310, 96565), (13706, 93775), (13795, 93170), (15575, 82522), (17050, 75383), (18634, 68975), (18755, 68530), (19313, 66550), (21175, 60698), (21538, 59675), (23870, 53845), (24475, 52514), (26257, 48950), (27590, 46585), (30349, 42350), (31150, 41261), (33275, 38626), (34265, 37510)]