38938900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 113742720

約数和(自身を除く): 74803820

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 389, 455, 550, 572, 650, 700, 715, 770, 778, 910, 1001, 1100, 1300, 1430, 1540, 1556, 1820, 1925, 1945, 2002, 2275, 2723, 2860, 3575, 3850, 3890, 4004, 4279, 4550, 5005, 5057, 5446, 7150, 7700, 7780, 8558, 9100, 9725, 10010, 10114, 10892, 13615, 14300, 17116, 19450, 20020, 20228, 21395, 25025, 25285, 27230, 29953, 35399, 38900, 42790, 50050, 50570, 54460, 55627, 59906, 68075, 70798, 85580, 100100, 101140, 106975, 111254, 119812, 126425, 136150, 141596, 149765, 176995, 213950, 222508, 252850, 272300, 278135, 299530, 353990, 389389, 427900, 505700, 556270, 599060, 707980, 748825, 778778, 884975, 1112540, 1390675, 1497650, 1557556, 1769950, 1946945, 2781350, 2995300, 3539900, 3893890, 5562700, 7787780, 9734725, 19469450, 38938900]

約数ペア:

[(1, 38938900), (2, 19469450), (4, 9734725), (5, 7787780), (7, 5562700), (10, 3893890), (11, 3539900), (13, 2995300), (14, 2781350), (20, 1946945), (22, 1769950), (25, 1557556), (26, 1497650), (28, 1390675), (35, 1112540), (44, 884975), (50, 778778), (52, 748825), (55, 707980), (65, 599060), (70, 556270), (77, 505700), (91, 427900), (100, 389389), (110, 353990), (130, 299530), (140, 278135), (143, 272300), (154, 252850), (175, 222508), (182, 213950), (220, 176995), (260, 149765), (275, 141596), (286, 136150), (308, 126425), (325, 119812), (350, 111254), (364, 106975), (385, 101140), (389, 100100), (455, 85580), (550, 70798), (572, 68075), (650, 59906), (700, 55627), (715, 54460), (770, 50570), (778, 50050), (910, 42790), (1001, 38900), (1100, 35399), (1300, 29953), (1430, 27230), (1540, 25285), (1556, 25025), (1820, 21395), (1925, 20228), (1945, 20020), (2002, 19450), (2275, 17116), (2723, 14300), (2860, 13615), (3575, 10892), (3850, 10114), (3890, 10010), (4004, 9725), (4279, 9100), (4550, 8558), (5005, 7780), (5057, 7700), (5446, 7150)]