2878212400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1973}}^1$

素因数の和:2519

約数の個数: 120

約数和(自身を含む): 7921930464

約数和(自身を除く): 5043718064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 521, 560, 700, 1042, 1400, 1973, 2084, 2605, 2800, 3647, 3946, 4168, 5210, 7294, 7892, 8336, 9865, 10420, 13025, 13811, 14588, 15784, 18235, 19730, 20840, 26050, 27622, 29176, 31568, 36470, 39460, 41680, 49325, 52100, 55244, 58352, 69055, 72940, 78920, 91175, 98650, 104200, 110488, 138110, 145880, 157840, 182350, 197300, 208400, 220976, 276220, 291760, 345275, 364700, 394600, 552440, 690550, 729400, 789200, 1027933, 1104880, 1381100, 1458800, 2055866, 2762200, 4111732, 5139665, 5524400, 7195531, 8223464, 10279330, 14391062, 16446928, 20558660, 25698325, 28782124, 35977655, 41117320, 51396650, 57564248, 71955310, 82234640, 102793300, 115128496, 143910620, 179888275, 205586600, 287821240, 359776550, 411173200, 575642480, 719553100, 1439106200, 2878212400]

約数ペア:

[(1, 2878212400), (2, 1439106200), (4, 719553100), (5, 575642480), (7, 411173200), (8, 359776550), (10, 287821240), (14, 205586600), (16, 179888275), (20, 143910620), (25, 115128496), (28, 102793300), (35, 82234640), (40, 71955310), (50, 57564248), (56, 51396650), (70, 41117320), (80, 35977655), (100, 28782124), (112, 25698325), (140, 20558660), (175, 16446928), (200, 14391062), (280, 10279330), (350, 8223464), (400, 7195531), (521, 5524400), (560, 5139665), (700, 4111732), (1042, 2762200), (1400, 2055866), (1973, 1458800), (2084, 1381100), (2605, 1104880), (2800, 1027933), (3647, 789200), (3946, 729400), (4168, 690550), (5210, 552440), (7294, 394600), (7892, 364700), (8336, 345275), (9865, 291760), (10420, 276220), (13025, 220976), (13811, 208400), (14588, 197300), (15784, 182350), (18235, 157840), (19730, 145880), (20840, 138110), (26050, 110488), (27622, 104200), (29176, 98650), (31568, 91175), (36470, 78920), (39460, 72940), (41680, 69055), (49325, 58352), (52100, 55244)]