2920238440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17707}}^1$

素因数の和:17775

約数の個数: 128

約数和(自身を含む): 8159846400

約数和(自身を除く): 5239607960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1736, 2170, 2356, 2660, 2945, 4123, 4340, 4712, 5320, 5890, 8246, 8680, 11780, 16492, 17707, 20615, 23560, 32984, 35414, 41230, 70828, 82460, 88535, 123949, 141656, 164920, 177070, 247898, 336433, 354140, 495796, 548917, 619745, 672866, 708280, 991592, 1097834, 1239490, 1345732, 1682165, 2195668, 2355031, 2478980, 2691464, 2744585, 3364330, 3842419, 4391336, 4710062, 4957960, 5489170, 6728660, 7684838, 9420124, 10429423, 10978340, 11775155, 13457320, 15369676, 18840248, 19212095, 20858846, 21956680, 23550310, 30739352, 38424190, 41717692, 47100620, 52147115, 73005961, 76848380, 83435384, 94201240, 104294230, 146011922, 153696760, 208588460, 292023844, 365029805, 417176920, 584047688, 730059610, 1460119220, 2920238440]

約数ペア:

[(1, 2920238440), (2, 1460119220), (4, 730059610), (5, 584047688), (7, 417176920), (8, 365029805), (10, 292023844), (14, 208588460), (19, 153696760), (20, 146011922), (28, 104294230), (31, 94201240), (35, 83435384), (38, 76848380), (40, 73005961), (56, 52147115), (62, 47100620), (70, 41717692), (76, 38424190), (95, 30739352), (124, 23550310), (133, 21956680), (140, 20858846), (152, 19212095), (155, 18840248), (190, 15369676), (217, 13457320), (248, 11775155), (266, 10978340), (280, 10429423), (310, 9420124), (380, 7684838), (434, 6728660), (532, 5489170), (589, 4957960), (620, 4710062), (665, 4391336), (760, 3842419), (868, 3364330), (1064, 2744585), (1085, 2691464), (1178, 2478980), (1240, 2355031), (1330, 2195668), (1736, 1682165), (2170, 1345732), (2356, 1239490), (2660, 1097834), (2945, 991592), (4123, 708280), (4340, 672866), (4712, 619745), (5320, 548917), (5890, 495796), (8246, 354140), (8680, 336433), (11780, 247898), (16492, 177070), (17707, 164920), (20615, 141656), (23560, 123949), (32984, 88535), (35414, 82460), (41230, 70828)]