2038400

素因数分解:

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

素因数の和:51

約数の個数: 144

約数和(自身を含む): 6308190

約数和(自身を除く): 4269790

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 128, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 520, 560, 637, 640, 650, 700, 728, 784, 800, 832, 896, 910, 980, 1040, 1120, 1225, 1274, 1300, 1400, 1456, 1568, 1600, 1664, 1820, 1960, 2080, 2240, 2275, 2450, 2548, 2600, 2800, 2912, 3136, 3185, 3200, 3640, 3920, 4160, 4480, 4550, 4900, 5096, 5200, 5600, 5824, 6272, 6370, 7280, 7840, 8320, 9100, 9800, 10192, 10400, 11200, 11648, 12740, 14560, 15680, 15925, 18200, 19600, 20384, 20800, 22400, 25480, 29120, 31360, 31850, 36400, 39200, 40768, 41600, 50960, 58240, 63700, 72800, 78400, 81536, 101920, 127400, 145600, 156800, 203840, 254800, 291200, 407680, 509600, 1019200, 2038400]

約数ペア:

[(1, 2038400), (2, 1019200), (4, 509600), (5, 407680), (7, 291200), (8, 254800), (10, 203840), (13, 156800), (14, 145600), (16, 127400), (20, 101920), (25, 81536), (26, 78400), (28, 72800), (32, 63700), (35, 58240), (40, 50960), (49, 41600), (50, 40768), (52, 39200), (56, 36400), (64, 31850), (65, 31360), (70, 29120), (80, 25480), (91, 22400), (98, 20800), (100, 20384), (104, 19600), (112, 18200), (128, 15925), (130, 15680), (140, 14560), (160, 12740), (175, 11648), (182, 11200), (196, 10400), (200, 10192), (208, 9800), (224, 9100), (245, 8320), (260, 7840), (280, 7280), (320, 6370), (325, 6272), (350, 5824), (364, 5600), (392, 5200), (400, 5096), (416, 4900), (448, 4550), (455, 4480), (490, 4160), (520, 3920), (560, 3640), (637, 3200), (640, 3185), (650, 3136), (700, 2912), (728, 2800), (784, 2600), (800, 2548), (832, 2450), (896, 2275), (910, 2240), (980, 2080), (1040, 1960), (1120, 1820), (1225, 1664), (1274, 1600), (1300, 1568), (1400, 1456)]