72198400

素因数分解:

$2^8\times 5^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 185339700

約数和(自身を除く): 113141300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 232, 256, 290, 320, 389, 400, 464, 580, 640, 725, 778, 800, 928, 1160, 1280, 1450, 1556, 1600, 1856, 1945, 2320, 2900, 3112, 3200, 3712, 3890, 4640, 5800, 6224, 6400, 7424, 7780, 9280, 9725, 11281, 11600, 12448, 15560, 18560, 19450, 22562, 23200, 24896, 31120, 37120, 38900, 45124, 46400, 49792, 56405, 62240, 77800, 90248, 92800, 99584, 112810, 124480, 155600, 180496, 185600, 225620, 248960, 282025, 311200, 360992, 451240, 497920, 564050, 622400, 721984, 902480, 1128100, 1244800, 1443968, 1804960, 2256200, 2489600, 2887936, 3609920, 4512400, 7219840, 9024800, 14439680, 18049600, 36099200, 72198400]

約数ペア:

[(1, 72198400), (2, 36099200), (4, 18049600), (5, 14439680), (8, 9024800), (10, 7219840), (16, 4512400), (20, 3609920), (25, 2887936), (29, 2489600), (32, 2256200), (40, 1804960), (50, 1443968), (58, 1244800), (64, 1128100), (80, 902480), (100, 721984), (116, 622400), (128, 564050), (145, 497920), (160, 451240), (200, 360992), (232, 311200), (256, 282025), (290, 248960), (320, 225620), (389, 185600), (400, 180496), (464, 155600), (580, 124480), (640, 112810), (725, 99584), (778, 92800), (800, 90248), (928, 77800), (1160, 62240), (1280, 56405), (1450, 49792), (1556, 46400), (1600, 45124), (1856, 38900), (1945, 37120), (2320, 31120), (2900, 24896), (3112, 23200), (3200, 22562), (3712, 19450), (3890, 18560), (4640, 15560), (5800, 12448), (6224, 11600), (6400, 11281), (7424, 9725), (7780, 9280)]