2009061520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 5105923200

約数和(自身を除く): 3096861680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 139, 148, 152, 185, 190, 257, 278, 296, 304, 370, 380, 514, 556, 592, 695, 703, 740, 760, 1028, 1112, 1285, 1390, 1406, 1480, 1520, 2056, 2224, 2570, 2641, 2780, 2812, 2960, 3515, 4112, 4883, 5140, 5143, 5282, 5560, 5624, 7030, 9509, 9766, 10280, 10286, 10564, 11120, 11248, 13205, 14060, 19018, 19532, 20560, 20572, 21128, 24415, 25715, 26410, 28120, 35723, 38036, 39064, 41144, 42256, 47545, 48830, 51430, 52820, 56240, 71446, 76072, 78128, 82288, 95090, 97660, 97717, 102860, 105640, 142892, 152144, 178615, 180671, 190180, 195320, 195434, 205720, 211280, 285784, 357230, 361342, 380360, 390640, 390868, 411440, 488585, 571568, 678737, 714460, 722684, 760720, 781736, 903355, 977170, 1321751, 1357474, 1428920, 1445368, 1563472, 1806710, 1954340, 2643502, 2714948, 2857840, 2890736, 3393685, 3613420, 3908680, 5287004, 5429896, 6608755, 6787370, 7226840, 7817360, 10574008, 10859792, 13217510, 13574740, 14453680, 21148016, 25113269, 26435020, 27149480, 50226538, 52870040, 54298960, 100453076, 105740080, 125566345, 200906152, 251132690, 401812304, 502265380, 1004530760, 2009061520]

約数ペア:

[(1, 2009061520), (2, 1004530760), (4, 502265380), (5, 401812304), (8, 251132690), (10, 200906152), (16, 125566345), (19, 105740080), (20, 100453076), (37, 54298960), (38, 52870040), (40, 50226538), (74, 27149480), (76, 26435020), (80, 25113269), (95, 21148016), (139, 14453680), (148, 13574740), (152, 13217510), (185, 10859792), (190, 10574008), (257, 7817360), (278, 7226840), (296, 6787370), (304, 6608755), (370, 5429896), (380, 5287004), (514, 3908680), (556, 3613420), (592, 3393685), (695, 2890736), (703, 2857840), (740, 2714948), (760, 2643502), (1028, 1954340), (1112, 1806710), (1285, 1563472), (1390, 1445368), (1406, 1428920), (1480, 1357474), (1520, 1321751), (2056, 977170), (2224, 903355), (2570, 781736), (2641, 760720), (2780, 722684), (2812, 714460), (2960, 678737), (3515, 571568), (4112, 488585), (4883, 411440), (5140, 390868), (5143, 390640), (5282, 380360), (5560, 361342), (5624, 357230), (7030, 285784), (9509, 211280), (9766, 205720), (10280, 195434), (10286, 195320), (10564, 190180), (11120, 180671), (11248, 178615), (13205, 152144), (14060, 142892), (19018, 105640), (19532, 102860), (20560, 97717), (20572, 97660), (21128, 95090), (24415, 82288), (25715, 78128), (26410, 76072), (28120, 71446), (35723, 56240), (38036, 52820), (39064, 51430), (41144, 48830), (42256, 47545)]