140221900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:864

約数の個数: 144

約数和(自身を含む): 394696960

約数和(自身を除く): 254475060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 130, 133, 140, 175, 182, 190, 247, 260, 266, 325, 350, 364, 380, 455, 475, 494, 532, 650, 665, 700, 811, 910, 950, 988, 1235, 1300, 1330, 1622, 1729, 1820, 1900, 2275, 2470, 2660, 3244, 3325, 3458, 4055, 4550, 4940, 5677, 6175, 6650, 6916, 8110, 8645, 9100, 10543, 11354, 12350, 13300, 15409, 16220, 17290, 20275, 21086, 22708, 24700, 28385, 30818, 34580, 40550, 42172, 43225, 52715, 56770, 61636, 73801, 77045, 81100, 86450, 105430, 107863, 113540, 141925, 147602, 154090, 172900, 200317, 210860, 215726, 263575, 283850, 295204, 308180, 369005, 385225, 400634, 431452, 527150, 539315, 567700, 738010, 770450, 801268, 1001585, 1054300, 1078630, 1402219, 1476020, 1540900, 1845025, 2003170, 2157260, 2696575, 2804438, 3690050, 4006340, 5007925, 5393150, 5608876, 7011095, 7380100, 10015850, 10786300, 14022190, 20031700, 28044380, 35055475, 70110950, 140221900]

約数ペア:

[(1, 140221900), (2, 70110950), (4, 35055475), (5, 28044380), (7, 20031700), (10, 14022190), (13, 10786300), (14, 10015850), (19, 7380100), (20, 7011095), (25, 5608876), (26, 5393150), (28, 5007925), (35, 4006340), (38, 3690050), (50, 2804438), (52, 2696575), (65, 2157260), (70, 2003170), (76, 1845025), (91, 1540900), (95, 1476020), (100, 1402219), (130, 1078630), (133, 1054300), (140, 1001585), (175, 801268), (182, 770450), (190, 738010), (247, 567700), (260, 539315), (266, 527150), (325, 431452), (350, 400634), (364, 385225), (380, 369005), (455, 308180), (475, 295204), (494, 283850), (532, 263575), (650, 215726), (665, 210860), (700, 200317), (811, 172900), (910, 154090), (950, 147602), (988, 141925), (1235, 113540), (1300, 107863), (1330, 105430), (1622, 86450), (1729, 81100), (1820, 77045), (1900, 73801), (2275, 61636), (2470, 56770), (2660, 52715), (3244, 43225), (3325, 42172), (3458, 40550), (4055, 34580), (4550, 30818), (4940, 28385), (5677, 24700), (6175, 22708), (6650, 21086), (6916, 20275), (8110, 17290), (8645, 16220), (9100, 15409), (10543, 13300), (11354, 12350)]